2023 Critical Care HESI Guide Test Bank Guaranteed A+ Actual Questions and Answers, Complete 100%

2023 Critical Care HESI Guide Test Bank Guaranteed A+ Actual Questions and Answers, Complete 100% 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 usually asymptomatic tx: take away trigger