A good website for ECG revision is Emergency ECG Video of the Week – strongly recommended by the highly respected Dr Chris Duncan.
Acute Coronary Syndrome Have a good understanding of indications / contraindications / pros / cons of thrombolysis, including recent research
Congenital Heart Disease Probably far more detail than you need to know. Understand the difference between failure and tet spells: including causes and treatment.
Hypertension Probably more information is needed on treatment options
Infective Endocarditis Know your diagnostic criteria!
Pulmonary Embolism Questions usually focus on diagnostic dilemmas
Pharyngitis and Rheumatic Fever Know your diagnostic criteria!
Valvular Disorders Probably more useful for the clinical exams
VT fact sheet Know the ECG criteria inside out…
As per usual, I did not write these model answers – they are a guide only!