EMT chapter 16- Cardiovascular Emergencies

Signs and symptoms of a hypertensive emergency would most likely be delayed in patients who:

: have chronic hypertension.

ou and your partner arrive at the scene of a middle-aged man who collapsed about 5 minutes ago. He is unresponsive, apneic, and pulseless. Bystanders are present, but have not provided any care. You should:

begin high-quality CPR and apply the AED as soon as possible.

The electrical impulse generated by the heart originates in the

sinoatrial node.

When preparing to obtain a 12-lead ECG, the "LL" and "RL" electrodes should be placed:

on the thighs or ankles.

A dissecting aortic aneurysm occurs when:

the inner layers of the aorta become separated.

A patient tells you that he has a left ventricular assist device (LVAD). what conditions should you suspect that he has experienced?

Acute myocardial infarction

What sign is commonly observed in patients with right-sided heart failure?

Dependent edema

A 66-year-old female with a history of hypertension and diabetes presents with substernal chest pressure of 2 hours' duration. Her blood pressure is 140/90 mm Hg, her pulse is 100 beats/min and irregular, her respirations are 22 breaths/min, and her oxygen saturation is 92%. The patient does not have prescribed nitroglycerin, but her husband does. You should:

administer oxygen, give her 324 mg of aspirin, and assess her further.

Angina pectoris occurs when:

myocardial oxygen demand exceeds supply.

Deoxygenated blood from the body returns to the:

right atrium