Most common source of hemorrhage during Tonsillectomy
M/c cause of hemorrhage during tonsillectomy is external palatine vein / paratonsillar vein.
M/c cause of hemorrhage of arterial origin during tonsillectomy is tonsillar branch of facial artery.
Injury to external palatine vein
Injury to tonsillar branch of facial artery
Injury to tonsillar branch of Ascending pharyngeal artery
Injury to tonsillar branch of Lingual artery