questions and answers 2026 |pass
guaranteed | grade A+
A 44-year-old man reports dizziness and lightheadness. His BP is 88/26 mm Hg, his heart rate is
190 beats per minute and weak. His skin is cool clammy and pale. Why is his BP low?
decreased ventricular timing
Switching compressors during two-rescuer CPR:
should occur every two minutes throughout the arrest
Stable angina
chest pain that occurs when a person is active or under severe stress
Unstable angina
chest pain that occurs while a person is at rest and not exerting himself
What occurs during recoil of the chest inbetween compressions
a vacuum is created and blood returns to the heart
, A group of symptoms caused by myocardial ischemia; includes angina and myocardial infarction
acute coronary syndrome
A heart attack; death of the heart muscle following obstruction of blood flow to it; in this
context the attack is "new" or "happening right now"
acute myocardial infarction (AMI)
Transient (short-lived) chest discomfort caused by partial or temporary blockage of blood flow
to the heart muscle; also called angina
angina pectoris
a weakness in the wall of the aorta that makes it susceptible to rupture
aortic aneurism
the one way valve that lies between the left ventricle and the aorta keeps blood from flowing
back into the left ventricle after the left ventricle ejects its blood into the aorta; one of the four
heart valves
aortic valve
a tracing on an ECG that is the result of interference, such as patient movement, rather than the
heart's electrical activity
artifact