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What ECG rhythm has no discernible P waves, irregular fibrillatory waves, and an
irregular R to R interval? - ANSWER -Atrial fibrillation
What helps determine if a patient is Â"toleratingÂ" a rhythm? - ANSWER -Blood
pressure and level of consciousness
What part of the heart ejects blood into the aorta? - ANSWER -Left Ventricle
When placing a 5 lead ECG on a patient, which lead would be placed on the right
4th intercostal space? - ANSWER -V
True or False: Multifocal Atrial Tachycardia is caused by at least three ectopic
atrial pacemakers and has a rate of greater than 100 beats per minute. - ANSWER -
True
What is a potential cause of PVCs? - ANSWER -Hypokalemia
What type of AV block is associated with progressively longer PR intervals and
an eventual Â"droppedÂ" QRS complex? - ANSWER -Second Degree Type-1
How long is a normal QRS complex? - ANSWER -less than 0.12 seconds
What is an expected atrial rate in atrial flutter? - ANSWER -250-400 bpm
Which rhythm has a "sawtooth" patterned waves? - ANSWER -Atrial flutter
What part of the cardiac cycle correlates with the QRS complex? - ANSWER -
Ventricular depolarization