<unk><unk><unk>  is a common clinical abnormality detected on the<unk>  (ECG).  Right and left bundle branch blocks usually reflect intrinsic impairment of<unk>  in either the right or left bundle system<unk><unk>  disturbances) which can be either chronic or intermittent.  Transient rate-related bundle branch blocks occurs when the heart rate increases (tachycardia or acceleration-dependent) or when heart rate decreases (bradycardia or deceleration-dependent) which are relatively rare.
Intraventricular conduction delay electrocardiogram
Premature atrial contraction electrocardiogram
Brugada syndrome electrocardiogram
Premature ventricular contraction electrocardiogram
Short QT syndrome electrocardiogram
Junctional bradycardia electrocardiogram
Asplenia electrocardiogram
Boerhaave syndrome electrocardiogram