Right Bundle Branch Block (RBBB)
What is RBBB The full terms of RBBB is Right Bundle Branch Block ECG Criteria • RSR—in V1 and V2 (M pattern). • QRS—wide, >0.12 second (3 small squares). Causes…
First Degree AV Block
What is First Degree AV Block It is the prolongation of PR >0.22 sec. Every atrial depolarisation is followed by conduction to the ventricles, but with delay. Causes of First…
SA Block (Sinoatrial Block)
What is SA Block Failure to inititate an impulse from SA node. Causes of SA Block • Degenerative changes in elderly. • Ischaemic heart disease (involving SA node). • Drugs…
Heart Attack | The Most Common Cardiac Cause Of Death
Definition Heart attack or Myocardial infarction (MI) is defined as myocardial necrosis which occurs as a result of a critical imbalance between coronary blood flow and myocardial demand due to…