39 results
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Differentiating VT ... from SVT with aberrancy ... Brugada criteria) #Diagnosis ... #Cardiology #EKG ... #Utility #ALiEM
Transducer location to evaluate the femoral vein and normal ultrasound images showing common femoral artery (A)
#Clinical #Diagnosis ... #EM #Radiology ... #Vasc #POCUS #DVT ... #Positioning #ALiEM
Transducer location to evaluate the popliteal vein and normal ultrasound images showing popliteal artery (A) and
#Clinical #Diagnosis ... #EM #Radiology ... #Vasc #POCUS #DVT ... #Positioning #ALiEM
Positive DVT study showing thrombus in the femoral vein (v), adjacent to the femoral artery (a)
Positive DVT study ... #Clinical #Diagnosis ... #EM #Radiology ... #Vasc #POCUS #DVT ... Noncompressible #ALiEM
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
: Differential diagnosis ... ventricular tachycardia (VT ... and to detect VT ... electrocardiogram #diagnosis ... #differential #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 ... #diagnosis #electrocardiogram
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
- Differential Diagnosis ... Atrial Flutter, AVRT ... Tachycardia, Antidromic AVRT ... #Differential #Diagnosis ... #cardiology #wide
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... • SA Block • AV ... AVNRT • AVRT ... tachyarrhythmias #Cardiology ... #Differential #Diagnosis
Positive FAST in the RUQ view demonstrating echogenic clot in Morison’s pouch with adjacent anechoic free
(*) #Clinical #Diagnosis ... #EM #Trauma #Radiology ... HepatorenalRecess #Positive #ALiEM
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Tachycardia 1. aVR ... deflection in aVR ... If yes, then VT. ... Electrocardiogram #Diagnosis ... #Cardiology