a progressing PR interval until such time as that a QRs is dropped is considered to be... - ANSWER-
second degree AV block, mobitz type 1
A sinus rhythm with cyclic variation caused by alterations in the respiratory patter is: - ANSWER-sinus
dysrhythmia
A stress test is performed by... - ANSWER-exercise and resting
A sudden onset of tachycardia with a stimulus that arises above the AV node refers to a - ANSWER-
supraventricular dysrhytmia
an abnormality in conduction through the ventricles may be identified on the EKG tracing by an... -
ANSWER-wide and bizarre QRS complex
An EKG strip illustrates a regular rhythm, a HW of 70 and QRS complies that are within normal limits. P
waves are variable in configuration across the strip. This rhythm is identified as a... - ANSWER-wandering
atrial pacemaker
Examples of intentional torts are: - ANSWER-assault, battery, false imprisonment, and invasion of
privacy
If a known coronary bypass patient suffers a cardiac arrest, the health care provider should... - ANSWER-
provide CPR in the same manner as for any other patient
In order to obtain a 2-lead EKG strip you should apply _____leads - ANSWER-3
In the prehospital field we administer IV fluid to a cardiac patients in order to: - ANSWER-provide a
lifeline
Lead 2 is most commonly used in prehospital area because... - ANSWER-it illustrates good P-waves
, EKG practice test
Most atrial fibrillation waves are not followed by a QRS complex because the.... - ANSWER-AV junction is
unable to conduct all the excitations impulses
PEA or pulseless electrical activity may be manifested by a... - ANSWER-normal EKG and absent pulse
signs and symptoms that may be observed in a patient with necrotic heart tissue could be... - ANSWER--
dysrhythmias
-congestive heart failure
-cardiogenic shock
The ability of certain cardiac cells to initiate excitation impulses spontaneously is called: - ANSWER-
automaticity
The amount of blood ejected by the heart in one cardiac contraction is known as... - ANSWER-stoke
volume
The av node is located in the - ANSWER-atrioventricular septum
The chambers of the heart the are thin walled and pump against low pressure are the: - ANSWER-atria
the coronary arteries receive oxygenated blood from the - ANSWER-aorta
The coronary sinus has how many arteries? - ANSWER-2
The coronary sinus, which opens into the right atrium, allows return from which layer of the heart? -
ANSWER-myocardium
The expected rate of a junctional escape rhythm is _________bpm - ANSWER-40-60
The fibrous sac covering the heart, which is in contact with the pleura is the : - ANSWER-pericardium