WITH CORRECT ANSWERS
Layers of heart - CORRECT ANSWER -epicardium, myocardium, endocardium
Electrical ions responsible for depolarization and repolarization of the heart - CORRECT ANSWER
-Sodium, calcium, and potassium
Negative Deflection - CORRECT ANSWER -the downward presentation of waveforms on the EKG
tracing that is located below the isoelectric line
Postive Deflection - CORRECT ANSWER -the portion of waveforms in an EKG tracing located
above the isoelectric line
Biphasic Deflection - CORRECT ANSWER -both positive and negative
St Elevation - CORRECT ANSWER -indicates myocardial infarction (STEMI)
ST Depression - CORRECT ANSWER -myocardial ischemia
How much is one box on the ECG - CORRECT ANSWER -0.04 sec
SA Node - CORRECT ANSWER -pacemaker of the heart
AV Node - CORRECT ANSWER -relays electrical impulses from atria into ventricles