Ventricular Fibrillation Flashcards
1
Q
What are some causes of ventricular fibrillation (VF). (5)
A
Ischaemic heart disease. Post infarction. Torsades de pointes. Prolonged QT interval. Severe hypoxia.
2
Q
VT can always degenerate into _____
A
VF.
3
Q
What are the clinical signs of VF. (2)
A
Syncope.
Cardiac arrest.
4
Q
What is the most appropriate investigation for a patient with VF. (2)
A
ECG/heart monitor.
5
Q
How should you treat VF. (5)
A
DC cardioversion. Antiarrhythmics. IV magnesium. Cardiac pacing. Implanted cardiac defibrillator.
6
Q
What is a complication of VF.
A
Death.
7
Q
How do you treat pulseless VT.
A
Defibrillate without delay.
8
Q
Is VF/pulseless VT a shockable rhythm.
A
Yes.
9
Q
What are the unshockable rhythms. (2)
A
PEA.
Asystole.
10
Q
What is the drug of choice for resistant VF/VT. (2)
A
Amiodarone 300mg IV.
If amiodarone is not available, give lidocaine.
