what is the IV form of nitroglycerin and what is it for?
Tridal- angina
what 2 characteristics about electrical fx can an EKG tell?
rhythm disturbances
conduction disturbances
pathway of electrical flow
polarization (ready state)
depolarization (discharge state)
repolarization (recovery state)
the p wave indicates the __________
atrium
stations of depol
SA
AV
Ventricles
what is the inherant rate of the sinus node
60-100 bpm
what is the inherant rate of the AV junction
40-60 bpm
what is the inherant rate of the Ventricles
20-40 bpm
what is the pacemaker rule
the pacemaker site with the fastest rate will control the heart.