1761 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 #ECG ... #EKG #LimbLeads ... Einthovens #Triangle #aVL
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
Normal Sinus Rhythm - ECG Diagnosis
Normal sinus rhythm (NSR) is an impulse that originates in the
Sinus Rhythm - ECG ... leads I, II and aVF ... • inverted in aVR ... leads III and aVL ... #ecg #electrocardiogram
Knuckle Sign on ECG - Acute Pericarditis

Electrocardiogram of a 68-year-old woman two days after coronary artery
Knuckle Sign on ECG ... depression in aVR ... depression in I, II and aVL ... knuckle’ sign) in aVR ... #Pericarditis #ECG
ECG of a 55-year-old man who presented to the ER with chest pain 
Computer interpretation: “Nonspecific
ECG of a 55-year-old ... Recognize this #ECG ... Reciprocal STD in I & aVL ... Biphasic T-wave in aVL ... Clinical #Cardiology #EKG
Left Anterior Fascicular Block on EKG
 • Left axis deviation (LAD) (-45 degrees to -90 degrees)
Fascicular Block on EKG ... in leads I and aVL ... leads II, Ill, aVF ... diagnosis #cardiology #EKG ... #ECG #Electrocardiogram
De Winter's T Waves

Concerning for proximal LAD occlusion (Present in 2% of patients)
 • Upsloping ST-Depression
• STE in lead aVR ... ± aVL #DeWinters ... #TWaves #EKG #ECG
Mid Left Circumflex STEMI on ECG

This patient who had cp for 1 hour had a 100%
Circumflex STEMI on ECG ... how subtle an EKG ... in leads 1 and avl ... Circumflex #STEMI #ECG ... #EKG #Electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs ... = Biomarkers + ECG ... leads with STE in avR ... wave inversion in avL ... #Ischemia #ECG
High Lateral STEMI - D1 of LAD

There is transmural injury isolated to I & aVL. These
isolated to I & aVL ... LAD #Diagonal1 #ECG ... #EKG #Electrocardiogram