Atrial Flutter Physiology Tachycardia 
Dr. Smith's ECG Blog
DECEMBER 26, 2020
There is the appearance of STE in inferior leads II, III, and aVF (with STD in aVR), but this is entirely due to flutter waves which are only seen in those leads. Also, the atrial flutter in this case is relatively slow like in many other cases we've shown. Tachycardia and ST Elevation. Atrial Flutter with Inferior STEMI?
Ken Grauer, MD
MARCH 23, 2023
PEARL # 3: At this point — the most time-efficient step for solving today's rhythm will be to determine the nature of atrial activity. C ASE C onclusion : I lack detailed follow-up from today's case — other than knowing that the Atrial Tachycardia was controlled. ECG Blog #138 — AFlutter vs Atrial Tachycardia.
Cardiomatics
APRIL 5, 2024
Then, the current flows to an area known as the bundle of His, which divides into two branches (LBB and RBB) and is the only physiological pathway connecting the atria with the ventricles. Sinus tachycardia – sinus rhythm above 100 bpm is a sinus tachycardia. AFIB/AFL – atrial fibrillation or atrial flutter episodes.
Dr. Smith's ECG Blog
NOVEMBER 26, 2018
The rhythm differential for narrow, regular, and tachycardic is sinus rhythm, SVT (encompassing AVNRT, AVRT, atrial tach, etc), and atrial flutter (another supraventricular rhythm which is usually considered separately from SVTs). Therefore this patient is either in some form of SVT or atrial flutter.
Ken Grauer, MD
DECEMBER 23, 2023
The other leads that most often manifest readily identifiable 2:1 atrial activity — are leads aVR , V1 and/or V2 — so I favor first checking out these 6 leads whenever looking for AFlutter. Note that QRS morphology after conversion to sinus rhythm is very similar to QRS morphology of odd-numbered beats during the tachycardia.
Dr. Smith's ECG Blog
JANUARY 9, 2024
She had a single chamber ICD/Pacemaker implanted several years prior due to ventricular tachycardia. The ECG was interpreted as showing atrial flutter with 2:1 conduction. Answer : The ECG above shows a regular wide complex tachycardia. The heart rate could be compatible with that of a 2:1 conducted atrial flutter.
Dr. Smith's ECG Blog
APRIL 8, 2015
If the patient has Abnormal Vital Signs (fever, hypotension, tachycardia, or tachypnea, or hypoxemia), then these are the primary issue to address, as there is ongoing pathology which must be identified. Fourth, syncope in the elderly often results from polypharmacy and abnormal physiologic responses to daily events.
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