broad complex tachycardias Flashcards
1
Q
ventricular fibrillation
A
polymorphic and irregular QRS
pulseless rythym
2
Q
Mx of VF
A
- commence CPR
- administer unsynchronised schock
- resume CPR
- 1mg adrenaline + 300mg Amiodarone given after 3rd shock
- adrenaline given every 3-5min thereafter
3
Q
Ventricular tachycardia - ECG
A
tachycardia
broad QRS
absent P waves
4
Q
Mx of pulseless VT
A
- unsynchronised shock
- resume CPR for 2 min before re-checking rythm
- IV adrenaline and amiodarone given after 3rd shock
- adrenaline every 3-5min thereafter
5
Q
Mx of VT with a pulse and adverse features
A
synchronised DC shock
amiodarone 300mg IV over 10-20min, followed by 900mg over 24hrs
6
Q
Mx of VT with a pulse (and no adverse features)
A
amiodarone 300mg IV over 20-60min
followed by amiodarone 900mg over 24hrs
7
Q
caused of torsades de pointes
A
congenital long QT syndromes anti-arrhythmics antibiotics e.g. erythromicin TCAs antipsychotics MI renal/liver failure hypothyroidism AV bloc
8
Q
Mx TdP in haemodynamically unstable patients
A
emergency synchornised DV shock
followed by IV amiodarone
9
Q
MX TdP in haemodynamically stable patient
A
IV magnesium sulphate
