ecg deflections Flashcards
1
Q
P wave
A
atrial deplorization; SA node fires
2
Q
QRS complex
A
ventricular depolarization; ventricles contract
3
Q
T wave
A
ventricular depolarization
4
Q
PR interval
A
transmission impulse from SA to AV
5
Q
ST segment
A
end of depolarization beginning of repolarization reflects ischemia, cardiac injury, and K+ abnormals
6
Q
QT interval
A
effect of cardiac meds
