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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 ... #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
Left Main Coronary Artery Stenosis - Angiogram

Ivan Stankovic, MD, PhD @Ivan_Echocardio

#leftmain #stenosis #angiogram #cathlab #fluoroscopy #clinical
Ivan_Echocardio #leftmain
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Should see "Appropriate ... Discordance" = ST ... a) Concordant STE ... b) Concordant STD ... V1-V3 c) STE
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.
ECG changes in Pulmonary Embolism
 - 
Sinus tachycardia 
 - 
Complete or incomplete RBBB 
 -
ECG changes in Pulmonary ... enlargement (P pulmonale ... Non-specific ST ... changes, including ST ... - #Pulmonary
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
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 ... V1 >V2 or STE/isoeIectric
Usmle step 2 ck
Pulmonary diseases (High yield points)
#usmle #algorithm
Usmle step 2 ck ... Pulmonary diseases
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 ... RBBB, LAFB/LPFB (see