Digoxin OD Flashcards
1
Q
Risk ( lethal dose ) ?
A
K >5
Dose >10 mg
Level > 15 mmol
2
Q
Features
A
early : N& V LATE : low HR , increased automaticity ECG : reversed tick T wave : either flat , inverted , biphasic U wave
3
Q
MX
A
1-AC ( if < 1 hr )
2-Digoxin immune fab :
unknown dose : 5 amp
lethal dose : 10 amp , 5 amp every 30 min
cardiac arrest : 20amp + CPR > 30 min
3- For complications ;
a- High K :NaHCO3 8.4% 1mmol/kg IV bolus +insulin/D ( 10 units +50 ml of 50% D )
b- AV block : atropine 600 mcg , max 1.8 mg IV aim HR >60
c- ventricular arrhythmias ; lignocaine 1mg/kg IV bolus
4
Q
Disposition
A
No symptoms
No K for 6hrs
