28 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 ... #aVR #aVF
Knuckle Sign on ECG - Acute Pericarditis

Electrocardiogram of a 68-year-old woman two days after coronary artery
Knuckle Sign on ... depression in aVR ... elevation (‘knuckle’ sign ... #Sign #Pericarditis ... #ECG #EKG #Electrocardiogram
Note there is ST depression in aVR, a true sign of Left Main occlusion.  Many
depression in aVR ... , a true sign of ... ST elevation in aVR ... is a good ECG sign ... IM #Cardiology #EKG
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
negative in I + aVF ... - Brugada's sign ... - Josephson's sign ... VentricularTachycardia #Versus #ecg ... #ekg #cardiology
Pericarditis on EKG
Stage 1 - Widespread ST elevation (<5mm) and PR depression; In aVR: ST depression
Pericarditis on EKG ... depression; In aVR ... Normalization Spodick's sign ... #Pericarditis #EKG ... #ECG #electrocardiogram
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
Anaphylaxis: Signs ... Anaphylaxis: when any egg ... phase symptoms Signs ... #Anaphylaxis #pathophysiology ... immunology #diagnosis #signs
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... Equivalents / Don't Miss Signs ... leads with STE in avR ... #Ischemia #ECG ... #EKG #diagnosis
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Visual Guide to AV ... Tachycardia (AVNRT) - Pathophysiology ... lead II, Ill or aVF ... ECG usually shows ... Tachycardia #AVNRT #Pathophysiology
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
Heart Failure - Pathophysiology ... - Congenital (e.g ... HHT), Acquired (e.g ... Systemic Vasdilation, AV ... HeartFailure #CHF #Pathophysiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
ST elevation in aVR ... V2 • Wellens sign ... pain • Wellens sign ... of the leads l, aVL ... #EKG #diagnosis