10 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... atrial injury from ... (AVRT) in WPW: ... ddx: AVNRT, AVRT ... #electrocardiogram
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... That’s called Frog ... sign! ... #AVNRT #PhysicalExam ... #Sign
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
Supraventricular Tachycardia ... distinguishing QRS from ... T wave in some ... @EM_RESUS #AVRT ... #EKG #ECG #Electrocardiogram
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... incoming current from ... ECG usually shows ... narrow complex tachycardia ... Nodal #Reentrant #Tachycardia
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... ST elevation in aVR ... V2 • Wellens sign ... indistinguishable from ... differential #cardiology #electrocardiogram
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... is positive in aVR ... - The distance from ... #ekg #cardiology ... #diagnosis #electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... leads with STE in avR ... inversion - STE avR ... #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
STE: "Pardee's sign ... block; and sinus tachycardia ... (Eiffel Tower sign ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
junctional tachy not from ... 3 different P waves ... intervals >120-200ms from ... #EKG #diagnosis ... #electrocardiogram
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Multifocal Atrial Tachycardia ... of a variable P-wave ... pacemaker focus from ... diagnosis #cardiology #ekg ... #ecg #electrocardiogram