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1. How to calculate HR on EKG:
Answer:
big boxes: take 300 and divide by the number of boxes between RR
2. Atrial Fibrillation:
Answer:
Rapid, random, ineffective *contractions of the atrium*
No P Waves, *Normal QRS w/ irreg intervals*
Risk for thrombi
Tx: anti coagulants (Heparin), TEE, Synchronized Cardioversion
3. Atrial Flutter:
Answer:
No P Waves, QRS at reg intervals
Sawtooth or FLUTTER WAVES
Tx: Anti coagulants, TEE, synchronized cardioversion
Adenosine, beta blockers, calcium channel blockers, digitalis (digoxin) (Fluttering
in a circle singing "ABCDs")
4. Supraventricular Tachycardia (SVT):
Answer:
Episodes of abnormally fast/racing
heartbeat (between 150-250)
Normal QRS w/ reg intervals
Tx: first - valsalva's maneuver, carotid massage, ice to face
*Adenosine*, beta blockers, calcium channel blockers, dig
5. Premature Atrial Complexes (PAC):
Answer:
stimulus can be caffeine, nicotine, alcohol
stress
common but if pt has cardiac probs it can cause ischemia
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