AceMed Universities MU Plovdiv Medicine Year 3 Propaedeutics of Internal Diseases Topic 38 Propaedeutics of Internal Diseases · MU Plovdiv
38. Ischemic heart disease. Classification. Angina pectoris
Inside: 10 sections · 5 labelled pictures · 1 table · 14 flashcards · 3 min
Topic 38 of 100 in the MU Plovdiv syllabus for Propaedeutics of Internal Diseases (Medicine, Year 3). The free AceMed note covers it in 10 sections, about 274 words (3 min of reading), with 14 flashcards .
In this note Ischemic Heart Disease – Stable and Unstable Angina Definition Classification Etiology / Predisposition Factors Pathogenesis Symptoms Unstable Angina Physical Examination Laboratory Tests Instrumental Tests Definition Decreased blood flow to the heart muscle due to buildup of plaque in coronary arteries. Classification Stable angina Unstable angina Etiology / Predisposition Factors Hypertension Smoking Diabetes Obesity Poor diet High blood cholesterol Lack of exercise Depression, stress Family history Excessive alcohol consumption Pathogenesis Narrowing/obstruction of coronary artery lumen:Atherosclerosis (main cause) Thrombosis/embolism (rare) Coronary artery spasm Inflammation Increased O2 demand :Hypertrophy of myocardium Tachycardia or tachyarrhythmia Decreased cardiac output :Aortic valve disease (aortic stenosis, regurgitation) Symptoms Stable Angina (Classic Angina) Definition : Chest pain/discomfort that occurs during activity or emotional stress, most commonly due to coronary atherosclerosis.Pathophysiology :70% coronary artery stenosis (narrowing). At rest → blood flow is enough → no symptoms. During exertion → increased O2 demand → inadequate blood supply → chest pain. Symptoms Pain, tightness, or discomfort in chest. Often retrosternal, can radiate to: Precordial area Epigastrium Back Shoulder Arm (especially last 2 fingers of left arm) Jaw Duration : ~20 minutes, subsides with rest.Provoking factors :Physical exercise Emotional stress Hypertension Tachycardia or extreme bradycardia Hypoglycemia Cold weather (causes ↑ myocardial O2 demand)
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