Atrial Fibrillation Atrial Flutter Bradycardia 
Physiologically Speaking
JULY 26, 2024
REM Sleep: Each percent increase in nightly REM sleep duration was associated with a lower risk of atrial fibrillation, atrial flutter, and bradycardia (an abnormally slow heart rhythm). Deep sleep: Each percent increase in deep sleep was associated with a lower risk of atrial fibrillation, depression, and anxiety.
Cardiomatics
APRIL 5, 2024
Sinus bradycardia – sinus rhythm below 60 bpm is a sinus bradycardia. AFIB/AFL – atrial fibrillation or atrial flutter episodes. Sinus tachycardia – sinus rhythm above 100 bpm is a sinus tachycardia. In healthy individuals occurs during exercising or strong emotions.
Dr. Smith's ECG Blog
DECEMBER 23, 2019
The WCT is interrupted by a series of variable-morphology QRS complexes, with atrial flutter waves note in II, III, and aVF. Detail of Flutter waves The rate of the flutter waves matches the rate of the WCT (about 200/m), proving that the presenting WCT had been 1:1 atrial flutter.
Dr. Smith's ECG Blog
DECEMBER 16, 2018
The patient had a history of paroxysmal atrial fibrillation and several cardioversions. Instead, the rate of 150, plus the history of AF, suggested atrial flutter. A close inspection of lead II showed P or flutter waves at a rate of about 300 bpm, also supporting atrial flutter. Note of Caution!
Dr. Smith's ECG Blog
APRIL 8, 2015
PVCs N ot generally considered abnormal ECG findings: Isolated PAC, First Degree AV Block, Sinus bradycardia at a rate of 35-45, and Nonspecific ST-T abnormalities (even if different from a previous ECG). Thus, if there is documented sinus bradycardia, and no suspicion of high grade AV block, at the time of the syncope, this is very useful.
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