ECG 2 Revision

Question 1

What is torsade de pointes?

Answer 1

A type of polymorphic VT caused by QT prolongation eg, hypokalaemia

Question 2

What is the management of torsades?

Answer 2

Haemodynamically unstable - DC cardioversion + amiodarone
Haemodynamically stable - Magnesium sulphate

Question 3

What are some causes of long QT intervals?

Answer 3

TIMMES
Toxins,
Inherited
Ischaemia
Myocarditis
Mitral valve prolapse
Electrolyte abnormalities
Subarachnoid haemorrhage

Question 4

What is the treatment for the different types of heart block?

Answer 4

Type 1 - No treatment
Morbitz type 1 - No treatment
Morbitz type 2 - Permanent pacemaker as high risk of complete heart block
Third degree (complete HB) - Permenant pacemaker as risk of sudden cardiac death