11 results
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 ... So ANY ST Elevation ... STEMI Criteria misses ... @EM_RESUS #LAD
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
Diagnosis for ST ... Elevations - ACUTE STEMI ... ) - BRUGADA SIGN ... SPIKED HELMET SIGN ... #STSegment #STElevation
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
ECG Pattern STEMI ... anterior descending (LAD ... 1) Upsloping ST ... elevation in aVR ... (>= 1 mm) 2) ST
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... • Conventional STEMI ... • Posterior STEMI ... V2 • Wellens sign ... pain • Wellens sign
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
new/old infarct STEMI ... 0.5mm downgoing ST ... Equivalents / Don't Miss Signs ... have no pain - LAD ... avR - proximal LAD
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... STE: "Pardee's sign ... (Eiffel Tower sign ... blocking drugs #STElevation ... #ST #STEMI #Segment
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 ... AcutE STEMI Variant ... Nonconducted APC #LAD ... Type1AntiarrhythmicDrugs #Pacemaker #STelevation
There is inferior ST elevation with reciprocal ST depression in aVL and  in lead I,
There is inferior ST ... elevation with ... in aVL and in lead ... suggestive of STEMI ... elevation in V1
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
is unconscious, signs ... primarily include: • ST ... trolley and 12-lead ... Obtain a 12-lead ... If persistent ST
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 ... elevation of greater ... ≥ 1mm (in any lead