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#1
01-18-2013
 USMLE Forums Master Steps History: 1+CK+CS+3 Posts: 623 Threads: 111 Thanked 424 Times in 264 Posts Reputation: 434
Atrial fib and SVT

Please correct me if I am wrong as I am confusing these 2 condition:
Atrial Fib:

Absence of P waves,irregular R-R intervals and narrow QRS complexes and heart rate between 250 to 350 bpm.

SVT :

Absence of P waves,irregular R-R intervals and narrow QRS complexes and heart rate between 150 to 250 bpm.

#2
01-18-2013
 USMLE Forums Master Steps History: 1+CK+CS+3 Posts: 791 Threads: 76 Thanked 673 Times in 317 Posts Reputation: 691

Atrial Fib:

Absence of P waves,irregular R-R intervals and narrow QRS complexes and heart rate between 250 to 350 bpm.

SVT :

Absence of P waves,regular R-R intervals and narrow QRS complexes and heart rate between 150 to 250 bpm.

I feel bpm is not a good criteria to differentiate between those 2..
 The above post was thanked by: aknz (01-18-2013), mariamijares (08-22-2014)

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