48 results
LAD
IWMI
LAHB
RAD
[PHB
RVH
Lateral wall infarct
Lead reversal
Dextrocardia
Wide ORS
RBBB - terminal delay
[BBB
IVED
WPW = delta wave
Hyperkalemia
Type l antiarrhythmic drugs
Pacemaker
ST elevation
Early repolarization
LAD IWMI LAHB ... drugs Pacemaker ST ... Elevation AcutE STEMI ... Brugada syndrome ST ... Nonconducted APC #LAD
Ventricular Tachycardia in Wide Complex Tachycardia - Telemetry Diagnosis
 • Lead V1 - LBBB Criteria
 •
Diagnosis • Lead ... V1 - LBBB Criteria ... • Lead V1 - RBBB ... aVR - Vereckie Algorithm ... #Algorithm #
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
big R or R/S>I STEMI ... have no pain - LAD ... avR - proximal LAD ... infarct, get a 15 lead ... in V1, unless LBBB
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
with 100% Acute LAD ... Remember that RBBB ... normally has ST ... STEMI Criteria misses ... @EM_RESUS #LAD
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
diagnosing MI in LBBB ... Discordance" = ST ... Criteria - Suspect STEMI ... > 1 mm in any lead ... wave > 25% in any lead
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
Diagnosis for ST ... Elevations - ACUTE STEMI ... EMBOLISM - LBBB ... #STElevation #STEMI
Inpatient Cath Lab Indications
Cath Lab ASAP:
STEMI
NSTEMI:
1. Unstable/cardiogenic shock
2. Severe LV dysfunction or
3. Recurrent/persistent rest angina despite
Inpatient Cath Lab ... Indications Cath Lab ... ASAP: STEMI NSTEMI ... -7) risk Cath lab ... /UA: stable, TIMI
What are the original Sgarbossa Criteria?
- Concordant ST-segment elevation ≥ 1 mm in any lead =
- Concordant ST-segment ... ≥ 1 mm in any lead ... depression ≥ 1 mm in lead ... ≥ 5 mm in any lead ... Sgarbossa #Criteria #LBBB
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
ECG Pattern STEMI ... anterior descending (LAD ... 1) Upsloping ST ... (>= 1 mm) 2) ST
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
HOCM- dagger Q lat ... inf leads, LVH, LAE ... Trifascicular block - RBBB ... LPFB (see below), 1st ... (<360ms) PE: RBBB