Cardiology Fisdap Exam for EMT Exam Questions with 100% Correct Answers

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? Correct Answer decreased ventricular timing Switching compressors during two-rescuer CPR: Correct Answer should occur every two minutes throughout the arrest Stable angina Correct Answer chest pain that occurs when a person is active or under severe stress Unstable angina Correct Answer chest pain that occurs while a person is at rest and not exerting himself What occurs during recoil of the chest inbetween compressions Correct Answer a vacuum is created and blood returns to the heart A group of symptoms caused by myocardial ischemia; includes angina and myocardial infarction Correct Answer 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" Correct Answer 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 Correct Answer angina pectoris A weakness in the wall of the aorta that makes it susceptible to rupture Correct Answer 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 Correct Answer aortic valve A tracing on an ECG that is the result of interference, such as patient movement, rather than the heart's electrical activity Correct Answer artifact The complete absence of all heart electrical activity Correct Answer asystole The ability of cardiac muscle cells to contract without stimulation from the nervous system Correct Answer automatically