4. Medical Emergencies
Cardiac Ischemia — Quiz
Test your understanding of cardiac ischemia with 5 practice questions.
Practice Questions
Question 1
Which of the following ECG findings is most characteristic of myocardial injury, indicating an acute process that may lead to infarction?
Question 2
A patient with suspected cardiac ischemia has a 12-lead ECG that shows ST-segment depression in leads V2-V4. What does this finding most likely suggest?
Question 3
In the prehospital management of ischemic chest pain, what is the primary rationale for administering nitroglycerin?
Question 4
A patient with acute ischemic chest pain is found to be hypotensive. Which of the following medications, commonly used in cardiac ischemia management, should be administered with extreme caution or avoided?
Question 5
What is the primary physiological mechanism by which cardiac ischemia leads to chest pain?