Cardiology MCQs

Which of the following is a common side effect of loop diuretics?

What is the initial drug of choice for the treatment of stable angina?

What is the main cause of pulmonary edema in heart failure?

Which diagnostic test is used to visualize the coronary arteries?

Which electrolyte imbalance can lead to cardiac arrhythmias?

What is the primary mechanism of action of calcium channel blockers in hypertension?

What is the most common cause of sudden cardiac death in athletes under 35 years?

A 55-year-old male patient presents with chest pain on exertion and shortness of breath. An ECG shows ST depression. What is the most likely diagnosis?

Which procedure is used to open narrowed coronary arteries?

Which condition is associated with a diastolic decrescendo murmur best heard at the left sternal border?

Which of the following conditions is indicated by elevated troponin levels?

What is the most common cause of heart failure in the UK?

Which structure is primarily responsible for the conduction from atria to ventricles?

Which is the most characteristic ECG finding in atrial fibrillation?

What is the main cause of stable angina?

Which electrolyte abnormality is most likely in a patient on diuretics?

What is the primary goal of thrombolytic therapy in acute myocardial infarction?

What is the role of the coronary arteries?

Which of the following is a sign of left-sided heart failure?

In atrial fibrillation, what is the primary mechanism for stroke?

Which condition is characterized by a thickening of the heart muscle?

What is the primary risk factor for developing atherosclerosis?

Which imaging modality is first-line for the diagnosis of heart failure?

What is the main symptom of aortic stenosis?

What is the primary effect of nitroglycerin in treating angina?

What is the primary action of diuretics in heart failure management?

Which component of the blood is primarily responsible for carrying oxygen?

What condition is characterized by fluid accumulation around the heart?

Which of the following can result in a decreased ejection fraction?

For a patient with acute heart failure, which of the following management options is most appropriate?

Which heart sound is associated with the closure of the aortic and pulmonary valves?

What is the target INR range for a patient on warfarin therapy for non-valvular atrial fibrillation?

Which heart chamber receives oxygenated blood from the lungs?

Which medication is commonly used to treat high cholesterol?

What is the primary function of the sinoatrial node?

Which condition involves inflammation of the heart's inner lining?

Which ECG finding is characteristic of a previous myocardial infarction?

Which of the following is a common symptom of myocardial infarction?

Which test is most commonly used to diagnose arrhythmias?

Which valve is located between the left atrium and left ventricle?

What is the common side effect of beta-blockers?

Which condition is a result of narrowed heart valves?

What is the primary benefit of using ACE inhibitors in heart failure?

What does the QRS complex on an ECG represent?

Which medication is commonly used to treat atrial fibrillation?