16 results
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
new/old infarct STEMI ... • DDx: Acute STEMI ... have no pain - LAD ... avR - proximal LAD ... infarct, get a 15 lead
Bacterial Vaginosis - CDC 2021 Treatment Guidelines
Recommended Regimen:
 • metronidazole oral 500 mg orally 2x/day for
for 7 days #BV ... Vaginosis #CDC #CDC2021 ... Guidelines #Management #STI
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
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
with 100% Acute LAD ... RBBB normally has ST ... an isolectric ST ... STEMI Criteria misses ... @EM_RESUS #LAD
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Discordance" = ST ... Criteria - Suspect STEMI ... > 1 mm in any lead ... V1-V3 c) STE ... wave > 25% in any lead
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Diagnosis Framework STEMI ... Opposing leads ST ... ventricle pacing lead ... #STEMI #Segment
Myocardial infarction localization. A 12 lead EKG creates a 360 degree view of the electrical activity
A 12 lead EKG creates ... no contiguous lead ... V1 & V2 sit over ... leads, V3 & V4 sit ... Electrocardiogram #STEMI
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 ... R/S ratio Vi sI ... Nonconducted APC #LAD
Modified Sgarbossa Criteria for diagnosing STEMI in the presence of a LBBB If there is concordant
for diagnosing STEMI ... is concordant ST ... or a discordant ST ... A: Concordant STE ... ≥ 1mm (in any lead
Mid Left Circumflex STEMI on ECG

This patient who had cp for 1 hour had a 100%
Left Circumflex STEMI ... ST elevations in ... with reciprocal st ... frequently missed stemi ... Mid #Circumflex #STEMI