11 results
Wolff-Parkinson-White (WPW)
- Orthodromic AVRT: Narrow complex, most common 
- Antidromic AVRT: wide complex because goes through
pathway first - A-fib ... : different QRS ... #Cardiology #ECG ... #EKG #Electrocardiogram ... #Clinical #Diagnosis
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... conditions: - Acute ... ) #Diagnosis # ... Cardiology #EKG ... #ECG #Lead #AVR
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
- Differential Diagnosis ... Don't rely on criteria ... • HyperK vs AF+WPW ... + RBBB/LBBB or ... Irregular #causes #cardiology
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
for diagnosing ... Capture: Narrow, different ... - Suspect STEMI ... #Checklist #EKG ... #cardiology #lbbb
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Acute myocardial ... in WPW (sens 71% ... #AVR #leadAVR #ecg ... #cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... ., A-Fib also a ... Changes • STE in aVR ... #EKG #Pulmonary ... #diagnosis #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Sinus Tachy w/ BBB ... abberancy - N B Afib ... + WPW - DANGER ... #EKG #diagnosis ... electrocardiogram #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
women • DDx: Acute ... leads with STE in avR ... in V1, unless LBBB ... #EKG #diagnosis ... electrocardiogram #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
ST elevation in aVR ... • Sgarbossa criterion ... deviation) • Acute ... #EKG #diagnosis ... #differential #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Framework STEMI ... morphology similar to LBBB ... QRS complex Pulmonary ... #cardiology #ecg ... #ekg #electrocardiogram