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

 - Acute
Lead aVR on EKG ... ) #Diagnosis # ... Cardiology #EKG ... #ECG #Lead #AVR ... #Utility #ALiEM
Sgarbossa Criteria - MI Diagnosis in LBBB or Paced Rhythm 

#Diagnosis #Cardiology #EKG #Sgarbossa #Criteria #Modified
Sgarbossa Criteria ... - MI Diagnosis ... Paced Rhythm #Diagnosis ... #Cardiology #EKG ... #Sgarbossa #Criteria
3 ECG patterns for Acute Occlusion MI (OMI) without meeting ST elevation criteria
 • Posterior MI
meeting ST elevation criteria ... • Posterior MI ... STEMI #equivalent #diagnosis ... #cardiology #electrocardiogram ... #ecg #ekg
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Modified Sgarbossa ... Criteria - Diagnostic ... MI in LBBB or Pacemaker ... #EKG #electrocardiogram ... #ecg #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
segment at (or 40-60 ms ... • Posterior STEMI ... • Sgarbossa criterion ... #EKG #diagnosis ... #differential #cardiology
The modified Sgarbossa Rule uses proportions to identify acute AMI in the setting of ST-elevations in
indicative of acute MI ... #Diagnosis #EM ... #Cardiology #Modified ... #Sgarbossa #Criteria ... #ALiEM
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Dominant R wave in aVR ... (V1, V4R) • Posterior ... @AmyChung #EKG ... Electrocardiogram #cardiology ... #diagnosis #system
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
ECGs - Ischemia MI ... leads with STE in avR ... depression in VI-V2 - posterior ... #EKG #diagnosis ... electrocardiogram #cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
- RAD: AntLat MI ... boxes) - HiPR: AV ... Short QT <300-360 ms ... #EKG #diagnosis ... electrocardiogram #cardiology
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
mortality in inferior MI ... RV dysfunction. e.g ... Ahmed Ghoneem, MD MSc ... artery #catheter #diagnosis ... #cardiology #swanganz