3263 results
Limb Lead Reversal
In order to understand why the leads look the way they do, we must
As for the aVL/aVF ... /aVF/aVR are all ... #Diagnosis #Cardiology ... Einthovens #Triangle #aVL ... #aVR #aVF
Myocardial infarction localization. A 12 lead EKG creates a 360 degree view of the electrical activity
perspective: II, III & aVL ... inferior leads), I & aVL ... as you can see aVR ... contiguous I, aVL ... EmergencyMedicine #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 ... same polarity) in all ... AV Dissociation: ... Electrocardiogram #Diagnosis #Cardiology
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
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT with BBB All ... is positive in aVR ... negative in I + aVF ... (> 160ms) - AV ... Versus #ecg #ekg #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
Left Ventricular Hypertrophy (LVH) Criteria
• Sokolow + Lyon 
 - S V1 + R V5 or
criteria - S V3 + R avl ... men - S V3 + R avl ... criteria - R avl ... Hypertrophy #ECG #EKG #Cardiology
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
depression in aVR ... PR segment in aVR ... be present in all ... Diagnosis #EM #IM #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... Dominant R wave in aVR ... • Lateral (I + aVL ... leads except aVR ... Electrocardiogram #cardiology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
abnormal) in nearly all ... peripheral cause of AVS ... central cause of AVS ... patients with an AVS ... PhysicalExam #Neurology #AVS