What is the earliest detectable lesion in the development of atherosclerosis?

A 59-year-old man reports chest discomfort that consistently begins during physical activity and subsides with rest. His resting electrocardiogram shows no abnormalities. What is the most likely diagnosis?

Which of the following is a modifiable risk factor for atherosclerosis?

Which of the following is the most common cause of ischemic heart disease?

Which of the following best describes the pathophysiology of myocardial infarction?

A 55-year-old man reports chest pain that occurs at rest, often in the early morning hours.

He says the episodes last for several minutes and are sometimes accompanied by transient ST-segment elevation on ECG.

Cardiac enzymes are normal.

What is the most likely type of angina?

A 60-year-old woman presents with sudden-onset chest pain radiating to her left arm while climbing stairs.

It resolved with rest in 10 minutes.

Which of the following conditions best explains her symptoms?

A 64-year-old man presents to the emergency department with severe, crushing chest pain that radiates to his left arm and jaw.

The pain has lasted for over 30 minutes and is not relieved by rest.

ECG shows ST-segment elevations in leads II, III, and aVF.

Which coronary artery is most likely occluded?