Durations
P Wave
.08-.11
P Wave
atrial depolarization
There are four limb leads
False (6)
What is the suture between the sternum and mandibrium?
angle of loui
Intrinsic rate of the SA node?
60-100 BPM
QT Wave
.38 or less
QT
total ventricular activity
Leads 1 and aVL are called?
Left lateral leads
Low O2, Low pH, and high CO2?
asphyxia
Intrinsic rate of the AV node?
40-60 BPM
PR interval
.12 to .20
PR
total atrial activity
Leds II, III, and aVF view the lower surfaces of the heart and are called?
inferior leads
10 small squares make?
1mV
Intrinsic rate of the Purkinje fibers?
20-40 BPM
QRS complex
.12 or less
QRS complex
ventricular depolarization
The aVR, aVL, and aVF are what type of leads?
unipolar
What is a complex?
2 or more waves
Order of the flow of electrical impulses through the heart...
SA-AV-Bundle of HIS-purkinje fibers
ST segment
.12
T wave
ventricular repolarization, rest, recovery
What leads are bipolar leads?
I,II, and III
Resting membrane potential =
-90mV
In the normal heart, the largest electrical impulse travels from the apex to the base
False