TCA overdose Flashcards
1
Q
Early features of TCA overdose ?
A
anticholinergic properties - dry mouth, dilated pupils,
agitation,
sinus tachycardia,
blurred vision.
Hypotension
2
Q
features of severe TCA poisoning ?
A
arrhythmias
seizures
metabolic acidosis
coma
3
Q
ECG changes include of TCA ?
A
inus tachycardia
widening of QRS
prolongation of QT interval
4
Q
first line management of TCA if hypotension or arrhythmias ?
A
IV bicarbonate
5
Q
what do we need to see on ECG for IV sodium bicarb to be indicated ?
A
QRS interval >100 msec or a ventricular arrhythmia
correction of acidosis is the first line in the management of tricyclic-induced arrhythmias
6
Q
management of TCA without arrythmia ?
A
ntravenous lipid emulsion
7
Q
what is ineffective in management of TCA ?
A
dialysis is ineffective
