Basics

Arrhythmia

ECG - Electrolytes

LVH

LBBB

Extra ECG notes (from the other “ECG” page)

Axis deviation

Left axis deviation (LAD)

• left anterior hemiblock
• left bundle branch block
• WPW (right-sided accessory pathway)
• hyperkalaemia
• ostium primum ASD, tricuspid atresia
• minor LAD in obesity

Right axis deviation (RAD)

• right ventricular hypertrophy
• left posterior hemiblock