CC/4 Complaints of burning and pressing pains in the chest lasting about an hour, pain in the left shoulder and left arm, shortness of breath, fear, headache, sudden weakness and sweating. Medical history: high blood pressure for about 7 years, registered with a clinic, undergoes regular check-ups, takes antihypertensive drugs. Yesterday, he felt general discomfort and a burning sensation in his chest, but after a while it went away. Today, the burning pain behind the breastbone reappeared, he took nitroglycerin under the tongue twice, but the pain intensified, he felt short of breath and broke out in a cold sweat. His relatives called an ambulance. Anamnesis: 68 years old. For 5-6 years, he has had osteoarthritis of the large and small joints, with pain in the joints of the feet being particularly troublesome, limiting his ability to walk. In recent years, he has gained a lot of weight, which he attributes to walking less. He has been a long-term smoker and is a moderate drinker. He works as a bus driver. Family history: his brother had a myocardial infarction at the age of 53. Allergic history: no significant history. Objectively: Moderate condition due to severe pain syndrome. Consciousness is clear. BMI is 30 kg/m2. Skin is pale, with cold, clammy sweat. Peripheral lymph nodes are not palpable. Auscultatory: vesicular breathing, no rales. RR 19 per minute. Boundaries of relative cardiac dullness within age norms. Heart sounds sharply muffled, tachycardia with HR 90 beats per minute. BP 100/60 mm Hg on both arms. Tongue is clean. Abdomen is soft on palpation. Liver is at the edge of the costal arch. Percussion symptom is negative on both sides. Urination is free and painless. Laboratory and diagnostic tests: Complete blood count: haemoglobin 142 g/l, haematocrit - 40%, erythrocytes - 5.15*10¹²/1, leukocytes 6.25*10/1, thrombocytes-289*109/1, ESR-15 mm/h. Urinalysis: pH 5.0, relative density 1.020, colour yellow, white blood cells 1-2 per field of view, epithelium 0-1 per field of view, protein - negative, glucose negative, ketones - negative. Biohemical test: Glucose 4.9 mmol/l, Low-density lipoproteins (LDL) 4.16 mmol/l, high-density lipoproteins (HDL) 0.85 mmol/l, creatinine 69.2 µmol/l, uric acid 525 µmol/l, total bilirubin - 7.15 µmol/l, Total cholesterol 6.32 mmol/l, Triglycerides 3.45 mmol/l, Fibrinogen 4.65 g/l, Troponin I-0.28 ng/ml. FCG: AVR aVL aVF Assignment for student: 1. Establish and justify the complete clinical diagnosis according to the latest international classification, specifying the disease activity, complications of the underlying disease (if present), and comorbidities (if present). Do not use abbreviations or acronyms. 2. Interpret the data of all presented laboratory analyses and instrumental examination methods. What laboratory and instrumental methods should be added, and what changes are characteristic of this disease? 3. Determine the management and treatment strategy for the patient, including non-pharmacological and pharmacological interventions. Specify the therapeutic classes and names of drugs for etiological, pathogenetic, symptomatic, and/or replacement therapy, and provide a comprehensive plan for annual follow-up and routine monitoring.