MSRA: Cardiac Arrest

Question 1

What are the reversible causes of cardiac arrest?

Answer 1

4Hs and 4Ts

Hypoxia, Hypovolaemia, Hypothermia, + Electrolytes

Thrombosis, Tension, Tamponade, Toxins

Question 2

How much adrenaline is given in cardiac arrest?

When is it given?

Answer 2

1mg (1 in 10,000) IV
Given after PEA and then repeated every other cycle
Or given after three consecutive shocks, and then repeated every other cycle

Question 3

How much Amiodarone is given during cardiac arrest?

When is it given?

Answer 3

300mg IV bolus followed by saline flush after three shocks

And additional, 150mg can be given after 5 shocks

Question 4

What action is needed if witnessed cardiac arrest whilst on a monitor?

Answer 4

Give up to three successive shocks before CPR

Question 5

What are the key features of paediatric resuscitation?

Answer 5

Give 5 initial rescue breaths
Then if no signs of life - start chest compressions
15:2

Question 6

What are the key features of neonatal resuscitation?

Answer 6

Dry and stimulate
5 inflation breaths
Repeat if inadequate chest expansion
Chest compressions 3:1 ratio