What is the primary pacemaker?
Correct Answer: SA Node
What is a more medically correct term for the clotting of an artery?
Correct Answer: Occlusion
When the Atria depolarize (or contract), what is shown on the EKG tracing?
Correct Answer: P wave
An irregular heartbeat that is common among c...
What is a more medically correct term for the clotting of an artery?
Correct Answer: Occlusion
When the Atria depolarize (or contract), what is shown on the EKG tracing?
Correct Answer: P wave
An irregular heartbeat that is common among children is called _____ _____.
Correct Answer: Sinus Arrhythmia
1 sm box on an EKG strip denotes 0.04 seconds of time. How long is this represented in
millimeters?
Correct Answer: 1 mm
1
,What is the term used to described the amount of blood pumped by the heart per
minute?
Correct Answer: Cardiac output
Leads I to III are collectively known as
Correct Answer: Standard leads
Leads V1 to V6 are collectively known as
Correct Answer: Precordial leads
What is the main artery in the arterial system
Correct Answer: Aorta
aVr, aVl, and aVf are known as
Correct Answer: Augmented leads
Leg electrodes are only used for?
Correct Answer: grounding
What is the main vein in the venous system?
Correct Answer: Superior vena cava
The mitral valve is also known as
2
, Correct Answer: bicuspid valve
When the ventricles depolarizes (contracts), what is shown on the EKG tracing
Correct Answer: QRS complex
The Angle of Louis provides the LOCATION for which intercostal space
Correct Answer: 2nd
When clotting reduces oxygen supply to a region of the heart it is known as _____.
Correct Answer: Ischemia
When the Atria repolarize (or are at rest), what is shown on the EKG tracing?
Correct Answer: PR segment
(T/F) You should stop a stress test because of a change of heart rhythm
Correct Answer: False
What is formed by the manubrium and the body of the sternum that helps in electrode
placement
Correct Answer: Angle of Louis
V1 is placed in the 4th intercostal space and is located on which side of the sternum
Correct Answer: Right side
3
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