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Give differential diagnosis and make history of present illness based on given image

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"acute heart failure" AND diagnosis

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acute heart failure diagnostic evaluation orthopnea fever differential guideline

The note appears to describe a middle-aged man with:
  • Fever for about 1 day, intermittent, recorded temperature approximately 39.9°C
  • Cough for about 2 days
  • Breathlessness/DOE, with orthopnea and possibly PND
  • Mention of “heart failure” in the working assessment
  • No hemoptysis/blood-stained sputum documented
  • Negative history appears to include no chest pain, palpitations, syncope, abdominal pain, or tremor
  • Past history may include hypertension, but the handwriting is not fully clear
The demographic details and some positives/negatives are hard to read, so confirm them with the patient before using this as a final case sheet.

Provisional clinical impression

Acute dyspnea with fever and cough, likely lower respiratory tract infection or community-acquired pneumonia, with possible acute decompensated heart failure.
Orthopnea and PND are congestion symptoms that support heart failure, but are not diagnostic alone. Fever and cough raise concern for infection as a precipitant or alternative diagnosis. Standard assessment for suspected acute heart failure includes ECG, chest X-ray, CBC, renal function/electrolytes, troponin, natriuretic peptide, and echocardiography as indicated. NICE acute heart failure guidance

Differential diagnosis

  1. Acute decompensated heart failure with pulmonary congestion
    • Supported by dyspnea, orthopnea, PND, and possible history of hypertension/heart disease.
    • Look for raised JVP, basal crackles, S3, pedal edema, hepatomegaly, and cardiomegaly/pulmonary edema on chest X-ray.
  2. Community-acquired pneumonia, possibly precipitating heart failure
    • High fever and acute cough favor pneumonia.
    • Look for purulent sputum, pleuritic chest pain, focal crackles/bronchial breathing, leukocytosis, raised CRP, and focal infiltrates on chest X-ray.
  3. Acute pulmonary edema due to hypertensive heart disease or ischemic heart disease
    • Particularly if severe dyspnea, diffuse crepitations, pink frothy sputum, hypertension, or ECG/troponin evidence of ischemia develops.
  4. Acute coronary syndrome presenting with acute heart failure
    • May occur without typical chest pain, especially in people with diabetes or older adults.
    • Obtain ECG and serial troponin.
  5. Myocarditis or myopericarditis
    • Fever followed by new heart failure symptoms can suggest viral/infectious myocardial inflammation.
    • Consider if recent viral illness, tachycardia out of proportion to fever, arrhythmia, raised troponin, or reduced LV function is present.
  6. Pulmonary embolism
    • Consider if onset is sudden, with pleuritic pain, hemoptysis, syncope, unilateral leg swelling, immobility, surgery, or thrombotic risk factors.
    • Fever can occur but is usually not the dominant feature.
  7. Acute exacerbation of COPD/asthma or acute bronchitis
    • More likely with wheeze, smoking history, chronic cough, sputum production, and obstructive findings, though orthopnea/PND favor cardiac congestion.
  8. Sepsis with respiratory focus
    • Consider if hypotension, tachycardia, confusion, oliguria, elevated lactate, or organ dysfunction is present.

Suggested History of Present Illness

History of Present Illness:
The patient was apparently well until 2 days prior to presentation, when he developed cough, acute in onset and [dry/productive]. It was associated with [amount/colour of sputum], and there was no history of hemoptysis. Since 1 day prior to presentation, he developed intermittent high-grade fever, with a maximum recorded temperature of approximately 39.9°C, associated with [chills/rigors, sweating, headache, myalgia].
He also developed progressive shortness of breath, initially on exertion and later [at rest/not at rest]. The breathlessness is associated with orthopnea and paroxysmal nocturnal dyspnea [if confirmed], suggesting pulmonary congestion. There is no history of chest pain, palpitations, syncope, cyanosis, or reduced urine output [confirm each]. There is no history of blood-stained sputum.
There is/ is not a previous history of hypertension, ischemic heart disease, valvular heart disease, previous episodes of heart failure, tuberculosis, asthma/COPD, diabetes mellitus, or renal disease. Medication adherence, recent excess salt/fluid intake, alcohol use, and recent respiratory infection should be specifically elicited.

Key questions to complete the HPI

  • Is the cough productive? Sputum quantity and colour?
  • Any chills/rigors, pleuritic chest pain, or contact with a tuberculosis/COVID patient?
  • Exact onset and progression of dyspnea: exertional, at rest, sudden or gradual?
  • Number of pillows used, PND episodes, pedal edema, weight gain, nocturia?
  • Previous heart failure, hypertension, rheumatic fever, MI, or valvular disease?
  • Smoking, alcohol, medication compliance, recent salt/fluid excess?
  • VTE risks: prolonged immobility, surgery, unilateral leg swelling, prior DVT/PE?
Urgent assessment is needed if there is resting breathlessness, low oxygen saturation, hypotension, confusion, cyanosis, chest pain, or reduced urine output.
A recent systematic review supports point-of-care ultrasound as an adjunct in diagnosing acute heart failure, but it does not replace clinical assessment, chest imaging, ECG, and laboratory evaluation (PMID: 40555279).

fever and cough history taking

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fever cough clinical assessment

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NICE acute cough fever assessment history symptoms adults

History taking for fever and cough

1. Fever

Onset and duration
  • When did fever start?
  • Was onset sudden or gradual?
  • Is it continuous, intermittent, remittent, or recurrent?
  • How many days has it been present?
Severity and pattern
  • Was temperature measured? What was the highest recorded temperature?
  • Does fever occur at a particular time of day?
  • Is it associated with chills or rigors?
  • Is there sweating after the fever subsides?
Associated symptoms
  • Headache, body ache, fatigue, loss of appetite
  • Sore throat, running nose, nasal blockage
  • Breathlessness, chest pain, wheeze
  • Rash, joint pain, vomiting, loose stools, abdominal pain
  • Burning micturition, urinary frequency
  • Altered sensorium, neck stiffness, seizures
Exposure history
  • Contact with a person with cough, fever, tuberculosis, influenza, or COVID-like illness
  • Recent travel, especially malaria/dengue-endemic areas
  • Mosquito/tick exposure
  • Contaminated food or water
  • Animal or bird contact
  • Recent hospitalization or invasive procedure
Important background
  • Diabetes, chronic kidney/liver disease, HIV/immunosuppression
  • Current medications, including antibiotics, steroids, or antipyretics
  • Vaccination status: influenza, COVID-19, pneumococcal where relevant

2. Cough

Onset and duration
  • When did cough begin?
  • Did it begin before, after, or at the same time as fever?
  • Is it acute, subacute, or chronic?
    • Acute: less than 3 weeks
    • Subacute: 3 to 8 weeks
    • Chronic: more than 8 weeks
Character
  • Is the cough dry or productive?
  • Is it worse at night, early morning, on exertion, or on lying down?
  • Is it paroxysmal? Does it cause vomiting, syncope, chest pain, or urinary leakage?
  • Is there a barking or whooping quality?
Sputum
  • Is sputum present?
  • Quantity: scanty, moderate, or copious
  • Colour: mucoid/white, yellow, green, rusty, pink frothy, or blood-stained
  • Consistency: thin or thick
  • Foul smell suggests anaerobic infection, bronchiectasis, or lung abscess.
Hemoptysis
  • Is there blood in sputum?
  • Streaky or large-volume?
  • Associated with weight loss, night sweats, chest pain, or breathlessness?
Associated respiratory symptoms
  • Shortness of breath: at rest or exertion, progression, orthopnea, PND
  • Wheeze
  • Pleuritic chest pain
  • Chest tightness
  • Hoarseness
  • Sore throat, rhinorrhea, postnasal drip
Pointers toward specific causes
  • Pneumonia: acute fever, productive cough, pleuritic chest pain, breathlessness.
  • Tuberculosis: cough more than 2 weeks, evening fever, night sweats, weight loss, anorexia, hemoptysis, TB contact.
  • Heart failure: cough worse on lying down, orthopnea/PND, pedal edema, frothy sputum.
  • Asthma/COPD: wheeze, recurrent episodes, smoking, occupational exposure.
  • Pulmonary embolism: sudden dyspnea, pleuritic pain, hemoptysis, leg swelling, recent immobilization/surgery.

Case-sheet format for this patient

Fever: Patient was apparently well until ___ days ago, when he developed fever, acute/gradual in onset, intermittent/continuous in nature, with maximum recorded temperature of ___°C. Fever was associated with chills/rigors, sweating, headache, myalgia, and anorexia. There was no history of rash, joint pain, vomiting, diarrhea, dysuria, altered sensorium, or neck stiffness.
Cough: Since ___ days, the patient has had cough, acute in onset and progressive/non-progressive. It is dry/productive, associated with ___ sputum per day, which is ___ in colour and ___ in consistency. There is/no history of foul-smelling sputum or hemoptysis. Cough is worse during ___ and is associated with breathlessness, wheeze, pleuritic chest pain, orthopnea, or PND. There is/no history of TB contact, smoking, previous similar episodes, recent travel, or sick contact.
Acute respiratory infections can present with cough, productive sputum, sore throat, dyspnea, wheeze, or chest discomfort, as summarized in NICE respiratory infection guidance.

Create a complete fever-and-cough case sheet

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"community acquired pneumonia" AND diagnosis

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community acquired pneumonia adults diagnosis clinical assessment guideline cough fever

Fever and Cough Case Sheet

Identification Data

  • Name: ______________________________
  • Age/Sex: ______ years / Male/Female
  • Address: ___________________________
  • Occupation: ________________________
  • Religion: __________________________
  • Marital status: _____________________
  • Date and time of admission: __________
  • Date and time of examination: ________
  • Informant: Patient/Relative
  • Reliability: Reliable/Partially reliable

Chief Complaints

  1. Fever for ______ days
  2. Cough for ______ days
  3. Breathlessness, if present, for ______ days
  4. Expectoration/chest pain, if present, for ______ days

History of Present Illness

The patient was apparently asymptomatic until ______ days before presentation, when he/she developed fever. The fever was acute/insidious in onset and intermittent/continuous/remittent in nature. It was associated with chills/rigors and sweating. The maximum recorded temperature was ______ °C/°F. Fever was associated with headache, generalized body ache, malaise, anorexia, and fatigue. There was/no history of rash, joint pain, vomiting, loose stools, abdominal pain, dysuria, altered sensorium, neck stiffness, or seizures.
The patient also developed cough ______ days before presentation. It was acute/gradual in onset and dry/productive in nature. If productive, the sputum was ______ in quantity, ______ in colour, and ______ in consistency. There was/no history of foul-smelling sputum, blood-streaked sputum, or frank hemoptysis.
Cough was associated with/without:
  • Breathlessness: at rest/on exertion, progressive/non-progressive
  • Wheeze
  • Pleuritic chest pain
  • Chest tightness
  • Sore throat
  • Rhinorrhea/nasal blockage
  • Hoarseness of voice
There was/no history of orthopnea, paroxysmal nocturnal dyspnea, pedal edema, palpitations, syncope, or chest pain suggestive of cardiac disease.
There was/no history of contact with a person having tuberculosis, COVID-like illness, influenza, or chronic cough. There was/no history of recent travel, mosquito exposure, contaminated food/water intake, animal/bird contact, or recent hospitalization.

HPI Written for the Given Case

The patient was apparently well 2 days prior to admission, when he developed cough, acute in onset. The cough was [dry/productive], associated with [sputum details]. There was no history of hemoptysis. One day prior to admission, the patient developed intermittent high-grade fever, with a recorded temperature of approximately 39.9°C, associated with [chills/rigors, sweating, headache, body ache, and anorexia]. The patient also complained of breathlessness, [on exertion/at rest], with orthopnea and possible paroxysmal nocturnal dyspnea. There was no history of chest pain, palpitations, syncope, abdominal pain, vomiting, or loose stools.
Replace bracketed sections after confirming them from the patient.

Past History

Ask specifically about:
  • Similar episodes in the past
  • Tuberculosis, pneumonia, COVID-19, asthma, COPD, bronchiectasis
  • Hypertension
  • Diabetes mellitus
  • Ischemic heart disease, rheumatic heart disease, valvular heart disease, heart failure
  • Chronic kidney disease, chronic liver disease
  • HIV, steroid therapy, chemotherapy, or other immunosuppression
  • Previous hospital admissions, surgery, or blood transfusion
Past history:
Known case of __________________ for ______ years, on regular/irregular treatment.
No history of tuberculosis/asthma/COPD/diabetes/hypertension/heart disease, if absent.

Personal History

  • Diet: Vegetarian/Mixed
  • Appetite: Normal/Decreased
  • Sleep: Normal/Disturbed
  • Bowel: Regular/Constipation/Loose stools
  • Bladder: Normal/Burning micturition/Increased frequency
  • Addictions: Smoking ______ pack-years; alcohol/tobacco/other substances
  • Occupation: Ask for dust, fumes, chemical, animal, or bird exposure.
  • Drug history: Recent antibiotics, antipyretics, steroids, inhalers, ACE inhibitors, or anti-tubercular drugs.
  • Allergy history: Drug/food allergy, if any.

Family History

  • Similar illness among family members
  • Tuberculosis contact
  • Asthma/allergy in family
  • Diabetes, hypertension, ischemic heart disease
  • Any hereditary illness

Treatment History

  • Any treatment taken for current illness?
  • Name, dose, duration, and response to antibiotics/antipyretics/cough syrup/inhalers
  • History of incomplete antibiotic course
  • Recent hospital admission or intravenous antibiotics

General Physical Examination

General Condition

  • Conscious, cooperative, and oriented to time, place, and person
  • Built and nourishment: __________________
  • Hydration: Adequate/Inadequate
  • Pallor: Present/Absent
  • Icterus: Present/Absent
  • Cyanosis: Present/Absent
  • Clubbing: Present/Absent
  • Lymphadenopathy: Present/Absent
  • Pedal edema: Present/Absent

Vitals

ParameterFinding
Temperature______ °C / °F
Pulse rate______ /min
RhythmRegular/Irregular
Blood pressure______ mmHg
Respiratory rate______ /min
SpO₂ on room air______ %
Weight______ kg

Respiratory System Examination

Inspection

  • Shape of chest: Normal/barrel chest/asymmetrical
  • Chest movement: Equal/Reduced on right/left
  • Use of accessory muscles: Present/Absent
  • Intercostal retractions: Present/Absent
  • Tracheal position: Central/Shifted
  • Cyanosis: Present/Absent

Palpation

  • Trachea: Central/Shifted to ______
  • Chest expansion: Equal/Reduced on ______ side
  • Tactile vocal fremitus: Normal/Increased/Decreased over ______ area
  • Tenderness: Present/Absent

Percussion

  • Resonant/Dull/Stony dull/Hyper-resonant note over ______ area

Auscultation

  • Breath sounds: Vesicular/Bronchial/Reduced
  • Added sounds: Crepitations/rhonchi/wheeze/pleural rub
  • Vocal resonance: Normal/Increased/Decreased
  • Site: ______________________________

Cardiovascular System Examination

  • JVP: Normal/Raised
  • Apex beat: Normal/displaced
  • Heart sounds: S1/S2 normal; S3 present/absent
  • Murmur: Present/Absent
  • Peripheral edema: Present/Absent
Raised JVP, S3 gallop, basal crepitations, and pedal edema support heart failure.

Per Abdominal Examination

  • Abdomen: Soft/non-tender
  • Hepatomegaly: Present/Absent
  • Splenomegaly: Present/Absent
  • Ascites: Present/Absent
  • Bowel sounds: Normal/Altered

Central Nervous System Examination

  • Higher mental functions: Normal/Altered
  • Neck rigidity: Present/Absent
  • Focal neurological deficit: Present/Absent

Provisional Diagnosis

Choose according to examination and investigations:
  1. Acute lower respiratory tract infection, likely community-acquired pneumonia
  2. Acute bronchitis
  3. Community-acquired pneumonia with acute decompensated heart failure, if orthopnea/PND, edema, raised JVP, or pulmonary congestion are present
  4. Acute febrile illness with cough, under evaluation
Fever, cough, sputum production, dyspnea, pleuritic chest pain, crackles, and bronchial breathing are typical clinical features of community-acquired pneumonia, though diagnosis requires correlation with chest imaging and clinical assessment. ICS/NCCP pneumonia guidance

Differential Diagnosis

Differential diagnosisSupporting featuresFeatures/tests to look for
Community-acquired pneumoniaFever, productive cough, dyspnea, pleuritic painFocal crackles, bronchial breathing, leukocytosis, infiltrate on chest X-ray
Acute bronchitisAcute cough, often after upper respiratory symptomsUsually no focal chest signs or infiltrate
Influenza/COVID-19 or other viral respiratory illnessFever, myalgia, sore throat, cough, contact historyViral testing where indicated
Pulmonary tuberculosisCough >2 weeks, weight loss, evening fever, night sweatsSputum AFB/NAAT, chest X-ray
Acute decompensated heart failureOrthopnea, PND, edema, cardiac historyBNP/NT-proBNP, ECG, echo, pulmonary edema on chest X-ray
Pulmonary embolismSudden dyspnea, pleuritic pain, hemoptysis, DVT risksECG, D-dimer in appropriate patients, CT pulmonary angiography
COPD/asthma exacerbationWheeze, smoking/asthma historyProlonged expiration, obstructive pattern
Sepsis with respiratory focusFever with tachycardia, hypotension, confusion, oliguriaLactate, blood cultures, organ dysfunction assessment

Investigations

Basic Investigations

  • Complete blood count with differential count
  • ESR/CRP
  • Random blood sugar
  • Renal function tests: urea, creatinine, electrolytes
  • Liver function tests, if clinically indicated
  • Urine routine microscopy
  • Blood culture, preferably before antibiotics if high fever/sepsis is suspected
  • Sputum Gram stain and culture if productive cough or severe illness
  • Chest X-ray PA view
  • Pulse oximetry and arterial blood gas if hypoxemic or severely breathless
  • ECG

Additional Tests as Indicated

  • SARS-CoV-2/influenza testing depending on circulation and local protocol
  • Sputum AFB smear, CBNAAT/NAAT, if TB is suspected
  • HIV testing with consent if recurrent/unusual infection or TB suspected
  • BNP/NT-proBNP and echocardiography if heart failure is suspected
  • Troponin if chest pain, ECG changes, or acute heart failure
  • D-dimer/CT pulmonary angiography only if pulmonary embolism is clinically suspected
A chest radiograph is particularly appropriate in acute cough accompanied by fever or purulent sputum. Tintinalli's Emergency Medicine: A Comprehensive Study, “Diagnosis and Treatment,” line 3736.

Initial Management Plan

  1. Assess airway, breathing, circulation, mental status, and urine output.
  2. Record vitals frequently, including respiratory rate and oxygen saturation.
  3. Give oxygen if hypoxemic, according to local protocol.
  4. Secure IV access and send appropriate blood tests/cultures.
  5. Obtain chest X-ray and ECG.
  6. Give antipyretic and supportive care, including fluids only after assessing cardiac/renal status.
  7. If pneumonia is likely, start empirical antimicrobial therapy according to local hospital/community guidelines after obtaining cultures when feasible.
  8. If acute heart failure is suspected, assess fluid overload and obtain ECG, chest X-ray, renal function, troponin, natriuretic peptide, and echocardiography as appropriate.
  9. Reassess promptly for respiratory failure, sepsis, hypotension, or altered mental state.

Danger Signs Requiring Urgent Senior Review

  • SpO₂ below local target or increasing oxygen requirement
  • Respiratory distress, respiratory rate ≥30/min, cyanosis
  • Hypotension, altered sensorium, oliguria, raised lactate
  • Chest pain, arrhythmia, syncope
  • Hemoptysis
  • Signs of pulmonary edema or sepsis

negative history for fever and cough system wise

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cough clinical assessment

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clinical assessment acute cough red flag symptoms fever adults NICE

Negative history for fever and cough, system-wise

Write only the points that are actually absent in the patient.

General / constitutional symptoms

No history of:
  • Chills or rigors
  • Night sweats
  • Loss of appetite
  • Significant weight loss
  • Generalized body ache
  • Rash
  • Joint pain
  • Recent travel
  • Contact with a febrile or chronically coughing person
  • Exposure to mosquitoes, contaminated food/water, animals, or birds

Respiratory system

No history of:
  • Sore throat, rhinorrhea, nasal blockage, or postnasal drip
  • Wheeze or chest tightness
  • Pleuritic chest pain
  • Breathlessness at rest or on exertion
  • Orthopnea or paroxysmal nocturnal dyspnea
  • Hemoptysis
  • Foul-smelling sputum
  • Previous similar episodes
  • Past history of tuberculosis, asthma, COPD, bronchiectasis, or pneumonia
  • Contact with a patient with tuberculosis

Cardiovascular system

No history of:
  • Central chest pain
  • Palpitations
  • Syncope
  • Pedal edema
  • Orthopnea or PND
  • Decreased urine output
  • Known hypertension, ischemic heart disease, valvular heart disease, or heart failure

Gastrointestinal system

No history of:
  • Nausea or vomiting
  • Abdominal pain
  • Loose stools or constipation
  • Jaundice
  • Abdominal distension
  • GI bleed, melena, or hematemesis

Genitourinary system

No history of:
  • Burning micturition
  • Increased frequency or urgency of micturition
  • Flank pain
  • Hematuria
  • Reduced urine output

Central nervous system

No history of:
  • Headache
  • Neck stiffness
  • Photophobia
  • Altered sensorium
  • Seizures
  • Focal weakness
  • Loss of consciousness

Musculoskeletal system

No history of:
  • Myalgia
  • Arthralgia
  • Joint swelling
  • Backache

Skin and mucous membranes

No history of:
  • Rash
  • Petechiae/purpura
  • Skin ulcers
  • Oral ulcers
  • Bleeding from gums or other sites

Endocrine/metabolic system

No history of:
  • Polyuria
  • Polydipsia
  • Polyphagia
  • Heat intolerance
  • Symptoms of diabetes mellitus or thyroid disease

Ready-to-write paragraph

There was no history of sore throat, rhinorrhea, wheeze, pleuritic chest pain, hemoptysis, foul-smelling sputum, or contact with a patient having tuberculosis or a similar febrile illness. There was no history of orthopnea, paroxysmal nocturnal dyspnea, pedal edema, chest pain, palpitations, or syncope. There was no history of vomiting, loose stools, abdominal pain, dysuria, increased frequency of micturition, headache, neck stiffness, altered sensorium, seizures, rash, joint pain, significant weight loss, or night sweats.
For a patient with acute fever and cough, the absence of prolonged cough, weight loss, night sweats, and hemoptysis makes pulmonary tuberculosis less likely, although it does not exclude it. Tietz Textbook of Laboratory Medicine, “Disease Presentation,” lines 874-879.

how to writepast medical history

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clinical history taking past medical history respiratory symptoms fever cough

How to write Past Medical History

In past medical history, write illnesses the patient had previously, duration, treatment, control, complications, admissions, surgery, transfusions, allergies, and long-term medications.

For a patient with fever and cough

Past Medical History:
There is no past history of tuberculosis, recurrent pneumonia, asthma, COPD, bronchiectasis, diabetes mellitus, hypertension, ischemic heart disease, chronic kidney disease, chronic liver disease, thyroid disorder, or HIV/immunosuppressive illness.
There is no history of previous hospital admission, surgery, blood transfusion, or allergy to any drug. The patient is not on any long-term medication.

If the patient has hypertension

Past Medical History:
The patient is a known case of hypertension for ___ years and is on regular/irregular treatment with __________. Blood pressure control is adequate/inadequate. There is no history of diabetes mellitus, tuberculosis, asthma, COPD, ischemic heart disease, chronic kidney disease, or previous episodes of heart failure.
There is no history of previous surgery, blood transfusion, or drug allergy.

If the patient is diabetic

Past Medical History:
The patient is a known case of type 2 diabetes mellitus for ___ years, on oral hypoglycemic agents/insulin. Compliance with treatment is regular/irregular. There is no history of hypertension, tuberculosis, asthma, COPD, chronic kidney disease, ischemic heart disease, or previous similar illness.
No past history of surgery, blood transfusion, or known drug allergy.

If there is a previous respiratory illness

Past Medical History:
The patient gives a history of pulmonary tuberculosis/pneumonia/asthma/COPD diagnosed ___ years ago and treated with __________. He/she completed/did not complete treatment. There is no history of recurrence, hospitalization, or previous mechanical ventilation.
There is no history of diabetes mellitus, hypertension, ischemic heart disease, chronic kidney disease, or liver disease.

Short version for your case sheet

Past medical history was not significant. There was no history of tuberculosis, asthma, COPD, recurrent pneumonia, diabetes mellitus, hypertension, ischemic heart disease, chronic kidney disease, or any previous similar episode. No past history of surgery, blood transfusion, or drug allergy was present.
If hypertension is confirmed from your note, write:
The patient is a known case of hypertension for ___ years, on regular/irregular medication. There is no history of diabetes mellitus, tuberculosis, asthma, COPD, ischemic heart disease, or chronic kidney disease.
Also record ACE inhibitor use, such as enalapril or lisinopril, because it can cause persistent dry cough. Lippincott Illustrated Reviews: Pharmacology, drug adverse-effect case discussion, lines 4529-4552.

give a provisional and some differential diagnosi

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Provisional diagnosis

Acute febrile lower respiratory tract infection, likely community-acquired pneumonia, with possible acute decompensated heart failure.
This is based on fever with cough plus breathlessness, orthopnea, and PND. Confirm with chest examination, chest X-ray, ECG, CBC, renal function, BNP/NT-proBNP, and echocardiography if heart failure is suspected.

Differential diagnoses

  1. Community-acquired pneumonia
  2. Acute bronchitis or viral lower respiratory tract infection
  3. Acute decompensated heart failure with pulmonary congestion, possibly precipitated by infection
  4. Acute pulmonary edema due to hypertensive/ischemic heart disease
  5. Acute exacerbation of COPD/asthma, if wheeze or relevant history is present
  6. Pulmonary tuberculosis, especially if cough is prolonged with weight loss, night sweats, or hemoptysis
  7. Pulmonary embolism, if sudden dyspnea, pleuritic chest pain, hemoptysis, or DVT risk factors are present
  8. Myocarditis, if fever is associated with new cardiac dysfunction, arrhythmia, or raised troponin

Short case-sheet wording

Provisional diagnosis: Community-acquired pneumonia with possible acute decompensated heart failure.
Differential diagnoses: Acute bronchitis/viral LRTI, acute pulmonary edema due to heart failure, COPD/asthma exacerbation, pulmonary tuberculosis, pulmonary embolism, and myocarditis.

if there is no orthopnea and pnd

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If orthopnea and PND are absent, do not keep heart failure as the main provisional diagnosis unless examination or investigations strongly suggest it.

Provisional diagnosis

Acute febrile lower respiratory tract infection, likely community-acquired pneumonia.

Differential diagnoses

  1. Acute bronchitis / viral lower respiratory tract infection
  2. Influenza, COVID-19, or another viral respiratory infection
  3. Community-acquired pneumonia
  4. Acute exacerbation of asthma or COPD, if wheeze, smoking history, or previous similar episodes are present
  5. Pulmonary tuberculosis, if cough is prolonged, with weight loss, evening fever, night sweats, or hemoptysis
  6. Acute sinusitis with postnasal drip, if nasal obstruction, rhinorrhea, facial pain, or throat irritation are present
  7. Pulmonary embolism, only if sudden breathlessness, pleuritic chest pain, hemoptysis, tachycardia, or risk factors exist

Write in the case sheet

Provisional diagnosis: Acute febrile illness with cough, likely community-acquired pneumonia.
Differential diagnoses: Acute bronchitis/viral LRTI, influenza/COVID-19, asthma or COPD exacerbation, pulmonary tuberculosis, and pulmonary embolism.
Negative history: There is no history of orthopnea, paroxysmal nocturnal dyspnea, pedal edema, chest pain, palpitations, or syncope.
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