Cardiology — MCQs

Pulses paradoxus can be seen in which of the following clinical states?

In congestive cardiac failure (CCF), which of the following is typically observed?

Which organism most commonly leads to infective endocarditis?

A 65-year-old man with a long history of hypertension presents to the emergency department with tearing chest pain that radiates to the back. An electrocardiogram is normal, as are cardiac enzymes. A chest radiograph demonstrates widening of the mediastinum. What is the most likely diagnosis?

A continuous murmur is found in all, except?

Which of the following represents the earliest ECG changes in a patient with Hypokalemia?

A 58-year-old man with no prior cardiac history presents with retrosternal chest pain starting at rest and lasting 30 minutes. The pain radiates to the left arm and is associated with diaphoresis and dyspnea. His blood pressure is 150/90 mm Hg, pulse 100/min, the heart sounds are normal, and the lungs are clear to auscultation. Which of the following is the next most appropriate investigation?

A patient of myocardial infarction dies within the first few hours of infarction due to which of the following complications?

A young man with a history of breathlessness while walking to the gym has an ejection murmur on examination that increases with the Valsalva maneuver. Echocardiogram shows left ventricular hypertrophy (LVH) with deep Q waves in anterior chest leads. What should this patient avoid?

A 25-year-old man presents with headache, dizziness, and bilateral leg claudication. Physical examination reveals hypertension in the upper limbs and hypotension in the lower limbs. Which of the following additional findings is most likely in this patient?