Critical care HESI - 55 Questions and Answers Latest Guide.

Critical care HESI - 55 Questions and Answers Latest Guide. Critical care HESI – 55 questions • Cardiac o SVT: supraventricular tachycardia ▪ No p waves seen ▪ Treatment: • Adenosine – give 6mg, then 12mg, then another 12mg • Cardioversion if pt not tolerating rhythm • Don’t defibrillate!!! ▪ Have someone bring crash cart to room o Atrial fibrillation: ▪ Chaotic atrial activity ▪ Irregularly irregular ▪ Controlled: vent rate 100 • On digoxin at home and has controlled a fib look at digoxin level ▪ Uncontrolled: vent rate 100 ▪ P waves are fibrillatory ▪ High risk for clots give anticoagulant ▪ Common in elderly ▪ Holiday heart syndrome: alcohol and emotional stress o Atrial flutter: ▪ Ventricular rhythm stays regular ▪ Sawtooth waves ▪ Cardiovert! o Asystole: flat line ▪ Patient is essentially dead ▪ Give CPR and epi ▪ Pulse is gone ▪ Patient in asystole for 20 minutes talk to family, patient is dead o 3 rd degree heart block ▪ Look at patient’s blood pressure, bradycardia ▪ Give atropine, epinephrine, pacemaker o Alcoholic EKG ▪ Wide QRS and flat T = life threatening ▪ Flat T means hypokalemia o Peaked t waves are usually from hyperkalemia o STEMI: ST elevation myocardial infarction ▪ Give thrombolytics within 4 hours of onset.