Cardiac Test Flashcards
(36 cards)
RA
right forearm/ wrist
LA
Left forearm / wrist
LL
Left lower leg, proximal to ankle
RL
Right lower leg, proximal to ankle
V1
4th intercostal space, right sternal edge
V2
4th intercostal space, left sternal edge
V3
Midway between V2 and V4
V4
5th intercoastal space, midclavicular line
V5
Anterior axillary line in straight line with V4
V6
mid-axillary line with straight line with V4 and V5
What does an EKG show?
Conduction of electricity through the heart
How fast should the PR interval be
0.12-0.20
__ wave is the electrical impulse starting at the SA node and spreading through the atria
P
___ interval is the time needed for the SA to conduct electricity to the AV node
PR
The __ wave is the first negative deflection after the P wave
Q
QRS interval should be less than:
0.12
__ wave ventricle repolarization (resting) state of the heart
T
QT wave should be between :
0.32-0.40
A prolonged QT can lead to what ekg rhythm
**Hypomag can cause this
Torsades de points
ST elevation is tissue _______
death
ST depression is tissue __________
ischemia
What is a normal HR
60-100
What medication should be given slow IVP for symptomatic bradycardia
Atropine
Sinus Tach golden rule =
treat the cause!