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