Advanced Dysrhythmias Study
Material+Questions with Accurate Solutions
Wave that shows atria depolarization (contraction/systole)
P
Wave that shows impulse started in the SA node
P
Wave that shows Ventricular Depolarization (contraction/systole)
QRS complex
The QRS complex is usually ________ to _________ s long
0.32 0.40
Wave that shows Ventricular Repolarization (rest/diastole)
T wave
The time needed for sinus node stimulation, atrial depolarization, and conduction
through the AV node before ventricular depolarization
PR interval
Normal length of PR interval
0.12-0.20
To determine atrial rhythm measure __ to ____
pp
to determine ventricular rhythm measure __ to __
, RR
to calculate HR measure _____ to _____ then divide by 1500
rr
Normal QRS complex length
>0.12
-Multiple shark tooth Ps
-Up to 350 electrical impulses per minute coming from the atria
atrial flutter
Atrial flutter can cause clots, stroke, or PE due to ________
stasis
Atrial impulse greater than 400 and ventricular HR > 100
atrial fibrillation
Why do you give heparin for atrial fibrillation
decrease clot formation
How do you treat atrial fibrillation with a calcium channel blocker
slows HR and increases dilation
How do you treat atrial fibrillation with a amioderone
slows HR and dilates
How do you get a fib back to normal non-surgically?
synchronized cardioverision (electric shock)
How do you get a fib back to normal surgically?
Material+Questions with Accurate Solutions
Wave that shows atria depolarization (contraction/systole)
P
Wave that shows impulse started in the SA node
P
Wave that shows Ventricular Depolarization (contraction/systole)
QRS complex
The QRS complex is usually ________ to _________ s long
0.32 0.40
Wave that shows Ventricular Repolarization (rest/diastole)
T wave
The time needed for sinus node stimulation, atrial depolarization, and conduction
through the AV node before ventricular depolarization
PR interval
Normal length of PR interval
0.12-0.20
To determine atrial rhythm measure __ to ____
pp
to determine ventricular rhythm measure __ to __
, RR
to calculate HR measure _____ to _____ then divide by 1500
rr
Normal QRS complex length
>0.12
-Multiple shark tooth Ps
-Up to 350 electrical impulses per minute coming from the atria
atrial flutter
Atrial flutter can cause clots, stroke, or PE due to ________
stasis
Atrial impulse greater than 400 and ventricular HR > 100
atrial fibrillation
Why do you give heparin for atrial fibrillation
decrease clot formation
How do you treat atrial fibrillation with a calcium channel blocker
slows HR and increases dilation
How do you treat atrial fibrillation with a amioderone
slows HR and dilates
How do you get a fib back to normal non-surgically?
synchronized cardioverision (electric shock)
How do you get a fib back to normal surgically?