Certified Answers
the p wave should always be upright in leads 1 and 2 - Answer what would be considered a cardinal
feature of sinus rhythm?
U - Answer what is a small wave (similar to the P wave) that sometimes appears after the T wave, and is
thought to represent late repolarization of the Purkinje fibers in the ventricles?
sick sinus rhythm - Answer a disturbance of SA nodal function that results in a markedly variable rhythm
is known as
atrial fibrillation - Answer what term best describes a cardiac condition that demonstrates a sinus rate of
250 to 350 beats per minute
T - Answer which wave represents ventricle depolarization
ventricular tachycardia - Answer which of these ECG findings indicates a pulse greater than 100 beats
per minute with at least three irregular beats in a row
atrial depolarization - Answer the p wave is indicative of
premature atrial contraction with pvcs - Answer what best describes this rhythm strip
trigeminy pvcs - Answer what best describes this rhythm strip
sinus bradycardia - Answer what best describes this rhythm strip
isolated pvc - Answer what best describes this rhythm strip
, diastole - Answer occur when the ventricle relax, and the blood flows into the atrium from the vena cava
and pulmonary
exposure to interference - Answer what is the LEAST likely to cause under-sensing in the ECG
over-sensing - Answer drug therapy, hyperkalemia, Twiddler's syndrome, and battery depletion can all
be occasional causes of ECG ________.
pericardium - Answer the membranous sac filled with serious fluid that encloses the heart and the roots
of the aorta and other large blood vessels is known as the
atrial fibrillation - Answer the abbreviation AF is most commonly used for
fibrillation - Answer is the rapid, irregular, and unsynchronized contraction of the muscle fibers of the
heart
hypoxia - Answer is the medical term that means "a shortage, but not an absence, of oxygen in the
body."
it should be upright in the aVR - Answer what is not a feature of a normal p wave
left ventricle and aorta - Answer Aortic Valve Stenosis (AVS) is the narrowing of the heart valve between
the
an electrocardiogram on an exercising patient - Answer the most common cardiac stress test consists
of?
blood - Answer the word element HEMA means
embolism - Answer the blocking of a blood vessel by a clot or other substance in the blood stream is
called