Cardiac Arrest

Question 1

What are the shockable rhythms?

Answer 1

VF
VT

Question 2

What are the non shockable rhythms?

Answer 2

Asystole
PEA

Question 3

How long is a cycle of CPR?

Answer 3

2 minutes, 30:2 until definite airway placed

Question 4

What is the ALS algorithm for a shockable rhythm?

Answer 4

Assess rhythm, if shockable deliver 1st shock the restart CPR for 2 mins then rhythm check
If VT/VF persist deliver 2nd shock and restart CPR
If VT/VF persist, deliver 3rd shock - give 1mg adrenaline and 300mg amiodarone

Question 5

How often can you give adrenaline?

Answer 5

Every 3 - 5 mins

Question 6

What are the reversible causes of cardiac arrest?

Answer 6

Hypoxia
Hypothermia
Hyperkalaemia
Hypovolemia
Toxins
Tamponade
Thrombus
Tension pneumothorax