ALP raised in
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Here is a comprehensive answer on conditions in which ALP (Alkaline Phosphatase) is raised:
Raised ALP — Causes
ALP has isoenzymes from multiple tissues (liver/biliary, bone, placenta, intestine), so the cause of elevation depends on which isoenzyme is predominant.
Physiological (Non-Pathological)
| Condition | Mechanism |
|---|---|
| Childhood / adolescence | Active bone growth → osteoblast activity |
| Pregnancy | Placental isoenzyme (heat-stable) |
| Postprandial state | Intestinal isoenzyme rises ~30% for up to 12 hours (especially in Lewis-positive group B/O secretors) |
| Perimenopause | Women's ALP rises to levels seen in men |
| Medications | Oral contraceptives can raise ALP |
Hepatobiliary Causes (biliary isoenzyme)
| Condition | Notes |
|---|---|
| Cholestasis (intrahepatic or extrahepatic) | Classic cause — obstructive pattern (ALP >> ALT) |
| Hepatic metastases | ALP is the most sensitive marker of hepatic metastases |
| Primary biliary cholangitis (PBC) | Markedly elevated |
| Primary sclerosing cholangitis (PSC) | Markedly elevated |
| Infiltrative liver disease | (sarcoidosis, amyloid, lymphoma) |
| Syphilis | Elevated ALP with focal hepatic necrosis |
| Hepatic candidiasis | Persistent fever + elevated ALP in neutropenic patients |
| Diabetic hepatosclerosis | ALP frequently raised with near-normal aminotransferases |
| Drug-induced liver disease | e.g., nitrofurantoin, carbamazepine/chlorpromazine (cholestatic pattern) |
| Alcoholic liver disease | ALP may be elevated; GGT co-elevated |
Bone Causes (bone isoenzyme — raised with osteoblast activity)
| Condition | Notes |
|---|---|
| Paget disease of bone | One of the most common causes of raised bone ALP in adults; raised in ~95% of untreated patients |
| Osteomalacia / rickets | ALP raised, Ca²⁺ normal/low, phosphate low |
| Bone metastases (osteoblastic) | e.g., prostate, breast cancer |
| Hyperparathyroidism | Primary or secondary — osteoclast/osteoblast activation |
| Healing fractures | Transient rise |
| Hyperthyroidism | Accelerated bone turnover |
| Acromegaly | Increased bone turnover |
Other / Systemic Causes
| Condition | Notes |
|---|---|
| Regan isoenzyme | Heat-stable placental-like isoenzyme seen in some malignancies |
| Clozapine use | Raised ALP and GGT are common (GGT 2–3× ULN) |
| Heart failure | Hepatic congestion → mild ALP elevation |
Distinguishing Bone vs. Liver Origin
- If GGT and 5'-nucleotidase are normal → excess ALP is likely of bone origin
- If GGT and 5'-nucleotidase are elevated → hepatobiliary origin likely
- Isoenzyme fractionation can confirm: bone ALP is heat-labile (destroyed at 56°C), placental ALP is heat-stable
Causes of Low ALP (for contrast)
- Hypophosphatasia (inborn deficiency)
- Malnutrition / hypothyroidism
- Wilson disease
- Theophylline or estrogen therapy
- Hemolysis (falsely lowers ALP)
— Quick Compendium of Clinical Pathology, 5th ed.
Abdominal distension history
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Here is a structured clinical history framework for abdominal distension:
History Taking in Abdominal Distension
1. Onset & Timing
- Acute or gradual onset?
- Acute → bowel obstruction, volvulus, toxic megacolon, perforation, bleeding
- Gradual / chronic → ascites, organomegaly, malignancy, IBS, constipation
- Duration and whether it is constant or intermittent
- Episodic → gas/bloating, IBS; progressive → ascites, malignancy
2. Character of the Distension
- Generalised vs localised
- Worse after meals? (gas, malabsorption, IBS)
- Relieved by defecation or passing flatus? (functional bowel disorders)
- Associated with change in posture? (pseudocyesis — lordosis-related protuberance resolves on hip flexion)
- Worsens through the day, better at night? (functional bloating)
3. Associated Gastrointestinal Symptoms
- Nausea and vomiting — obstruction, gastroparesis
- Absolute constipation / obstipation — bowel obstruction
- Diarrhoea — malabsorption, IBD, C. difficile colitis
- Rectal bleeding / melaena — malignancy, IBD, ischaemia
- Dysphagia — upper GI or systemic disease
- Abdominal pain — character, site, radiation, severity
- Colicky pain → obstruction
- Constant severe pain → peritonitis, ischaemia
4. Dietary History
- Recent changes in diet
- Intake of dairy (lactose intolerance), fructose, sorbitol, beans, fatty foods
- Carbonated drinks, artificially sweetened beverages
- Chewing gum (aerophagia)
- Alcohol consumption
5. Bowel Habit
- Normal vs altered bowel frequency, stool consistency
- Ability to pass flatus (inability to pass flatus/stool = obstruction until proven otherwise)
- Symptoms of pelvic floor dyssynergia — straining, incomplete evacuation
6. Systemic / Constitutional Symptoms
- Weight loss → malignancy, malabsorption, IBD
- Fever, night sweats, chills → infection, malignancy, SBP (in cirrhosis)
- Jaundice → hepatic/biliary disease
- Ankle swelling → hypoalbuminaemia, right heart failure (both cause ascites)
7. Past Medical History
- Liver disease / cirrhosis → ascites, SBP
- Malignancy → peritoneal carcinomatosis, hepatic metastases
- Previous abdominal surgery → adhesional obstruction
- Diabetes / hypothyroidism → gastroparesis, constipation, ileus
- Inflammatory bowel disease → toxic megacolon
- Heart failure / renal failure → ascites
8. Drug and Medication History
- Opiates → constipation, ileus
- Anticholinergics → ileus
- Drugs altering gut motility (e.g., tricyclics, calcium channel blockers)
- Laxative use (chronic)
9. Family History
- Coeliac disease
- Inflammatory bowel disease
- Colorectal/ovarian malignancy
10. Social History
- Smoking (gut motility effects)
- Alcohol → cirrhosis, ascites
- Anxiety / depression → functional GI disorders, hyperventilation/aerophagia
Causes to Consider Based on History ("5 Fs + S")
| Cause | Clue in History |
|---|---|
| Fat (obesity) | BMI, lifestyle |
| Fluid (ascites) | Liver disease, malignancy, heart failure, shifting dullness |
| Flatus (gas) | Post-prandial, dietary triggers, relieved by passing wind |
| Faeces (constipation) | Reduced bowel frequency, straining, opioid use |
| Fetus (pregnancy) | Amenorrhoea, LMP in women of reproductive age |
| Solid mass (organomegaly, tumour) | Weight loss, systemic symptoms |
Red Flags Requiring Urgent Evaluation
- Absolute constipation + obstipation (no flatus)
- Fever with distension (SBP, toxic megacolon, peritonitis)
- Rapid onset + severe pain
- Weight loss + progressive distension
- Significant tenderness / guarding / rigidity
- Haemodynamic instability
— Yamada's Textbook of Gastroenterology, 7th ed.
Ascites history
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History Taking in Ascites
1. Presenting Complaint
- Abdominal swelling — onset, duration, rate of progression
- Abdominal discomfort or fullness — dull, dragging, heaviness
- Breathlessness — from diaphragmatic splinting / pleural effusion (hepatic hydrothorax)
- Ankle swelling — accompanying peripheral oedema
2. Onset and Progression
- Acute → malignant ascites, Budd-Chiari syndrome, acute liver failure, ruptured viscus
- Gradual/insidious → cirrhosis, CCF, malignancy, TB
- Intermittent vs persistent
- Any previous episodes and how they were managed
3. Symptoms Pointing to Underlying Cause
Hepatic / Portal Hypertension (most common — ~75% of cases)
- Jaundice (current or past), dark urine, pale stools
- Alcohol history — quantity, duration, type; attempts to stop
-
2 drinks/day in women, >3 drinks/day in men raises suspicion for alcohol-associated liver disease
-
- Risk factors for viral hepatitis — IV drug use, blood transfusions, tattoos, sexual history, country of origin
- Haematemesis or melaena — variceal bleeding
- Confusion or drowsiness — hepatic encephalopathy
- Easy bruising / bleeding — coagulopathy of liver disease
- Weight loss + anorexia + fatigue → cirrhosis / hepatocellular carcinoma (HCC)
- Pruritus → cholestatic liver disease (PBC, PSC)
Cardiac Causes
- Dyspnoea, orthopnoea, PND → congestive cardiac failure / constrictive pericarditis
- Palpitations, syncope → arrhythmias → cardiac failure
- History of ischaemic heart disease, rheumatic heart disease, valvular disease
Malignant Ascites
- Weight loss, night sweats, anorexia — constitutional symptoms
- Known primary malignancy (ovary, colon, stomach, pancreas, breast, lung)
- Family history of GI or gynaecological malignancy
- Abdominal pain (peritoneal carcinomatosis causes pain disproportionate to distension in mesothelioma — opposite in carcinomatosis where ascites volume > distension)
Renal / Hypoalbuminaemic Causes
- Nephrotic syndrome — frothy urine, massive proteinuria, history of diabetes/autoimmune disease
- Protein-losing enteropathy — chronic diarrhoea, malabsorption, weight loss
Tuberculous Peritonitis
- Fever, night sweats, weight loss (classic B symptoms)
- Country of origin / travel to endemic area
- Contact with TB / HIV status
- Prior TB treatment
Pancreatitis / Pancreatic Ascites
- History of alcohol use or gallstones (two most common causes of pancreatitis)
- Recurrent upper abdominal pain radiating to the back
- History of chronic pancreatitis or ERCP
Chylous Ascites
- Prior abdominal surgery, malignancy (lymphoma, retroperitoneal tumours), trauma, filariasis
Budd-Chiari Syndrome (hepatic vein thrombosis)
- Sudden abdominal pain, rapidly developing ascites, right upper quadrant pain
- Underlying thrombophilia (polycythaemia vera, paroxysmal nocturnal haemoglobinuria, antiphospholipid syndrome, Factor V Leiden)
- Oral contraceptive pill use (prothrombotic)
4. Past Medical History
| Condition | Relevance |
|---|---|
| Liver disease / hepatitis B or C | Cirrhosis → portal hypertension |
| Alcohol excess | Alcoholic liver disease |
| Malignancy | Peritoneal carcinomatosis |
| Heart failure | Cardiac ascites |
| Tuberculosis / HIV | TB peritonitis, opportunistic infections |
| Diabetes / autoimmune disease | Nephrotic syndrome |
| Previous abdominal surgery | Adhesions, lymphatic disruption → chylous |
| Thyroid disease | Hypothyroidism → effusions |
5. Drug and Medication History
- Hepatotoxic drugs — methotrexate, amiodarone, isoniazid, nitrofurantoin
- NSAIDs — worsen renal sodium retention in cirrhosis (may precipitate decompensation)
- Diuretics — already on treatment? Compliance?
- Oral contraceptive pill → thrombotic risk (Budd-Chiari)
- Alcohol
6. Social History
- Alcohol intake — quantity, duration, CAGE screening
- IV drug use → hepatitis B/C
- Occupational exposure → asbestos (peritoneal mesothelioma)
- Travel history → TB, schistosomiasis (portal hypertension), filariasis
- Sexual history → viral hepatitis, HIV
7. Family History
- Hereditary liver disease — Wilson disease, haemochromatosis, alpha-1 antitrypsin deficiency
- Malignancy — colorectal, ovarian, gastric
- Cardiac disease
8. Review of Systems
- Fever → SBP (spontaneous bacterial peritonitis), TB, malignancy
- Confusion → hepatic encephalopathy (assess with asterixis / flapping tremor)
- Oliguria → hepatorenal syndrome, nephrotic syndrome
- Haematuria → renal disease
Grading of Ascites (to document at history/examination)
| Grade | Description | Management |
|---|---|---|
| 1 | Mild — detectable only on USS | Sodium restriction |
| 2 | Moderate — symmetrical abdominal distension | Sodium restriction + diuretics |
| 3 | Large — marked distension | Large-volume paracentesis (LVP) |
Red Flags in Ascites History
- Fever + ascites + confusion → Spontaneous Bacterial Peritonitis (SBP) until proven otherwise
- Rapid onset + abdominal pain → Budd-Chiari, perforation, acute liver failure
- Progressive weight loss → malignancy
- Haematemesis → variceal bleeding
- Oliguria / rising creatinine → hepatorenal syndrome
— Yamada's Textbook of Gastroenterology, 7th ed.; Sleisenger & Fordtran's GI and Liver Disease; Schwartz's Principles of Surgery, 11th ed.
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