2796 results
Limb Lead Reversal
In order to understand why the leads look the way they do, we must
As for the aVL/aVF ... remember that aVL ... /aVF/aVR are all ... #Diagnosis #Cardiology ... #aVR #aVF
Normal Sinus Rhythm - ECG Diagnosis
Normal sinus rhythm (NSR) is an impulse that originates in the
leads I, II and aVF ... • inverted in aVR ... leads III and aVL ... SinusRhythm #nsr #cardiology
Left Anterior Fascicular Block on EKG
 • Left axis deviation (LAD) (-45 degrees to -90 degrees)
in leads I and aVL ... leads II, Ill, aVF ... Block #diagnosis #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... Fibrillation (AF ... node: AV re-entrant ... tachycardia (AVRT), AV ... Diagnosis #Causes #cardiology
Myocardial infarction localization. A 12 lead EKG creates a 360 degree view of the electrical activity
inferior leads), I & aVL ... as you can see aVR ... contiguous lead (aVR ... contiguous I, aVL ... EmergencyMedicine #Cardiology
Pulsating Neck AV Fistula on Physical Exam
40 year old female patient, prior history of CKD on
Pulsating Neck AV ... Typically AV fistulas ... of congenital AVFs ... jugular #carotid #AVF
Left Main Coronary Artery Occlusion on ECG

- aVR ST segment elevation > 1 mm 
- aVR
Occlusion on ECG - aVR ... elevation > 1 mm - aVR ... Electrocardiogram #Cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
is positive in aVR ... negative in I + aVF ... (> 160ms) - AV ... Versus #ecg #ekg #cardiology
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Tachycardia 1. aVR ... deflection in aVR ... AV Dissociation: ... there evidence of AV ... Electrocardiogram #Diagnosis #Cardiology
ECG of a 55-year-old man who presented to the ER with chest pain 
Computer interpretation: “Nonspecific
in II, III, & aVF ... Reciprocal STD in I & aVL ... Biphasic T-wave in aVL ... early Q’s in II & aVF ... #Clinical #Cardiology