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Note there is ST depression in aVR, a true sign of Left Main occlusion.  Many
Note there is ST ... authors state that ST ... Clinical #EM #IM #Cardiology ... #STElevations #STE ... LeftMainOcclusion #LeftMain
Left Main Coronary Artery Occlusion on ECG

- aVR ST segment elevation > 1 mm 
- aVR
on ECG - aVR ST ... > 1 mm - aVR ST ... segment elevation > ST ... elevation in VI #LeftMain ... Electrocardiogram #Cardiology
Left Main Coronary Artery Stenosis - Angiogram

Ivan Stankovic, MD, PhD @Ivan_Echocardio

#leftmain #stenosis #angiogram #cathlab #fluoroscopy #clinical
Ivan_Echocardio #leftmain ... fluoroscopy #clinical #cardiology
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Discordance" = ST ... a) Concordant STE ... b) Concordant STD ... V1-V3 c) STE ... electrocardiogram #ecg #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
STEMI - J point STE ... myocarditis (diffuse STE ... inversion - STE ... a 15 lead - STE ... electrocardiogram #cardiology
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
imitator" • ↓ K - ST ... QT, Osborn J (see ... long QT via long ST ... Brugada 1 - Coved STE ... Checklist #diagnosis #cardiology
EZ-IO® Device Proximal
Humerus Identification
and Insertion Technique

Insertion:
 • Prepare the site by using antiseptic solution per institutional
• Prepare the site ... Remove the needle set ... the insertion site ... aim the needle set ... See Figure 14.
ST depression & T wave inversion causes #Pathophys #Diagnosis #Cardiology #MedStudent #EKG #Differential #TWI #STD #TWaveInversion
ST depression & ... Pathophys #Diagnosis #Cardiology ... Differential #TWI #STD
Transvenous Pacing - Procedure Instructions
Step 1. Place the introducer - ideally in R IJ or L
Instructions Step ... L Subclavian Step ... the Pacer Wire Step ... sterile sheath Step ... Pacer Settings Step
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Upsloping convex STE ... Cardiomyopathy: • STE ... Other Causes - STE ... differential #diagnosis #cardiology