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