Left axis detion is seen in all except
Ans. is 'c' i.e., ASD (Septum secundum) Cause of right axis detion Causes of left axis detion Left posterior, fascicular block Left ventricular hyperophy Lateral myocardial infarction Left anterior fascicular block ASD septum secondum Inferior wall MI Right ventricular hyperophy Ostium primum ASD Acute lung disease (e.g. PE) Left bundle branch block Chronic lung disease (e.g. COPD) WPW type A Ventricular ectopy Hyperkalaemia Sodium-channel blocker toxicity WPW syndrome Normal in children or thin adults with a horizontally positioned hea
Left anterior hemi block
Inferior wall MI
ASD (Septum secundum)
Right pneumothorax