and CORRECT Answers
atrial fibrillation is characterized by: - CORRECT ANSWER - rapid, disorganized,
uncoordinated depolarization of the atria
Transcutaneous pacing is indicated for what abnormal heart rhythms? - CORRECT
ANSWER - Mobitz Type II second degree AV block, third degree AV block, and
bradycardia with symptomatic ventricular escape rhythm.
describe a flutter on ecg - CORRECT ANSWER - Saw-tooth appearance
what is happening with the heart during a flutter - CORRECT ANSWER - atria firing at a
regular and rapid, at a atrial rate of 300bpm
meds for tx of a flutter - CORRECT ANSWER - Calcium Channel blockers (Cardizem),
beta blocker(Propranolol), Digoxin, Amiodarone
if patient with A flutter becomes unstable what are some interventions that should be preformed?
- CORRECT ANSWER - * Synchronized Cardiov *Ablation of the heart
describe what the heart is doing during A fib - CORRECT ANSWER - atria are beating
fast and irregular. >400bpm
Condition that can cause A- fib - CORRECT ANSWER - post op heart, mitral valve,
CAD, MI, pericarditis, COPD, sleep apnea
stable Afib tx - CORRECT ANSWER - monitor
symptomatic A-fib tx - CORRECT ANSWER - Syncronized cardioversion
, meds to tx a fib - CORRECT ANSWER - Cardizem, Adenosine, Amiodarone, beta
blockerslp
Where is V6 lead placed on ECG? - CORRECT ANSWER - 5th intercostal space at the
left midaxillary line
Where is the V4 lead placed? - CORRECT ANSWER - 5th intercostal space at
midclavicular line
Where is the V5 lead placed? - CORRECT ANSWER - 5th intercostal space, left anterior
axillary line
Where is the V1 lead placed? - CORRECT ANSWER - 4th intercostal space to the right of
the sternum
The ECG of a premature atrial contraction usually shows - CORRECT ANSWER -
Hidden P waves in preceding T waves. Prolonged PR interval. Normal QRS
ECG of V Fib shows - CORRECT ANSWER - Absent P waves, undetected PR interval
and QRS complex
ECG of junctional dysthymia shows - CORRECT ANSWER - Distorted P waves and
reduced PR interval . Normal QRS
ECG: Premature ventricular contractions - CORRECT ANSWER - Rare P waves,
unmeasurable PR interval, disturbed and wide QRS complex and T wave
5 steps for EKG reading - CORRECT ANSWER - 1. Rate
2. Rhythm