Second degree AV Block 2:1 • During sinus rhythm, 2 to 1 AV block manifest as 2 P waves followed by 1 QRS. • This is a subtype of second degree AV block. • A 2:1 AV block could either be second degree AV block type I or type II. • A long strip is needed to capture the mechanism or true nature of a AV block. #Second #degree #2nd #AVBlock #2to1 #ecg #diagnosis #ekg #electrocardiogram #cardiology
