Antidysrhythmics V Digoxin

Question 1

example of cardiac glycoside

Answer 1

digoxin digitalis

Question 2

action of glycoside digoxin

Answer 2

increase intracellular Na, Ca, conduction r/t (-) dromotropic, strength of contraction r/t (+) inotropic, CO, stroke volume, circulation, perfusion; decrease HR r/t (-) chronotropic effect; stuck in phase 3 d/t inhibition of ATPase; you get a slower stronger pump

Question 3

class of glycoside digoxin

Answer 3

class V

Question 4

glycoside digoxin indication

Answer 4

HF, A tachy/fib/flutter, Paroxysmal Atrial tachy

Question 5

glycoside digoxin s/e

Answer 5

n/v/d, anorexia

Question 6

glycoside digoxin a/e

Answer 6

BRADYCARDIA < 60 bpm; dysrhythmia; visual illusion; xanthopsia with white, green, yellow halo (CALL MD to d/c digoxin); HA; confusion; delirium

Question 7

glycoside digoxin die

Answer 7

atrioventricular BLOCK

Question 8

glycoside digoxin dose/route

Answer 8

0.5-1 mg PO in 2 doses for bolus; same dose IV over 5 min; 0.125-0.5 mg/day maintenance

Question 9

glycoside digoxin normal levels

Answer 9

0.5-2 ng/mL

Question 10

glycoside digoxin antidote

Answer 10

digibind; it binds to digoxin

Question 11

glycoside digoxin nsg responsibiities

Answer 11

ALWAYS check apical pulse > 60 bpm; K+> 3.5

Question 12

normal K+ levels

Answer 12

3.5-5.1

Question 13

if K+ low d/t digoxin, ingest

Answer 13

K supplements like K-dur and K+ rich foods

Question 14

glycoside digoxin drug interaction

Answer 14

Lasix, HCTZ, sulfonamide Bactrim, cortisone will decrease K+ and increase digoxin; antacids will decrease digoxin

Question 15

glycoside digoxin dz interaction

Answer 15

if thyroid dysfuction, change adjust digoxin dose

Question 16

glycoside digoxin herbal interaction

Answer 16

GINSENG, digoxing becomse falsely high

Question 17

glycoside lab values to monitor

Answer 17

Low K, Low Mag, high Ca, high Na