abnormal ecg sinus rhythmabnormal ecg sinus tachycardiaabnormal ecg sinus bradycardiamarked sinus bradycardia abnormal ecgecg sinus rhythm left axis deviationecg sinus tachycardiaecg sinus bradycardiasinus tachycardia ecg meansecg report sinus tachycardia12 lead ecg sinus tachycardiasinus bradycardia otherwise normal ecgekg rhythms interpretation
