Dysrhythmias Flashcards
PVCs are only a concern if more than how many occur in one minute
6
What to do if pt has 4 PVCs per min
Continue to monitor
Diltiazem is used for what
Dysrhythmias
Diltiazem
Nursing care and client education
Give with food or milk if G.I. distress, good oral care, the boy grapefruit juice, alcohol, and OTC preparations, protect from sun.
Priority for MI
Admin O2
S3 indicate which confidion
MI
The QRS complex reflux which activity
Ventricular depolarization
Ventricular repolarization is reflected where
T Wave
Atrial depolarization is reflected where
P Wave
Atrial fibrillation criteria
Atrial way is the regular and 350 to 600 bpm, ventricular rate is variable and irregular, P wave is chaotic, PR interval is not measurable
Normal PR interval length/time
0.12-0.20 seconds
Which cardiac Dysrhythmia is the most life-threatening
Ventricular fibrillation
Five small squares equal how much time
0.20 seconds
How many large squares equal six seconds
30 large
True or false does pain increased myocardial oxygen demand
True
Normal PR interval
0.12-0.20 seconds
Prolonged PR
Slowed conduction through AV nose
Normal QRS duration is less than ____
0.10 seconds
ST depression represent
Ischemia
Nursing care for Chest Pain
MONA
Morphine
Oxygen
Nitro
Aspirin
Diuretics
Increase or decrease preload
Decrease
Phase of contractions
Atrial depolarization: P Wave
Ventricular Depolarization: QRS
Ventricular Repolarization: T Wave
S1 is which valve
AV
S2 is which valve
Semilunar
True or False
Aces decrease potassium level
False
They increase K level
ST elevation means
MI
Treatment of sinus tachycardia
Beta blockers
Left bundle branch carries impulses to
Left ventricle
Right bundle branch Carries impulses to
Right ventricle
What is depolarization
Electrical activation of the heart
Repolarization
Return to resting state
Polarized
Means negative
Steps in rhythm interpretation
Rate, regularity, P waves, PR intervals, QRS widths