16 results
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
new/old infarct STEMI ... big R or R/S>I STEMI ... have no pain - LAD ... avR - proximal LAD ... electrocardiogram #cardiology #STEMI
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Hyperkalemia Differential ... Diagnosis Algorithm ... R/O Pseudo-hyperkalemia ... : • Possible Lab ... Differential #Diagnosis #Algorithm
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... Increased potassium load ... • Type 1 #Hyperkalemia ... #Diagnosis #algorithm
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Criteria - Suspect STEMI ... a) Concordant STE ... > 1 mm in any lead ... V1-V3 c) STE ... wave > 25% in any lead
DETROIT CARDIOGENIC SHOCK INITIATIVE ALGORITHM

INCLUSION CRITERIA
Acute Myocardial Infarction
 Ischemic Symptoms
 EKG and/or biomarker evidence of AMI
SHOCK INITIATIVE ALGORITHM ... evidence of AMI (STEMI ... or NSTEMI) Cardiogenic ... ACTIVATE CATH LAB ... Cardiogenic #Shock #Algorithm
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... ventricle pacing lead ... Disorders: • Hyperkalemia ... no P waves • Hypercalcemia ... STElevation #ST #STEMI
Hyperkalemia EKG - K of 8.5

Here’s an #ECG of a man with ROSC after cardiac arrest

Computer
Hyperkalemia EKG ... Computer is calling STEMI ... classic “Pseudo-STEMI ... is a contrast load ... @EM_RESUS #Hyperkalemia
Causes of Altered Level of Consciousness GCS < 7 - Differential Diagnosis Algorithm

Brain Involvement - Hemispheric
Differential Diagnosis Algorithm ... Involvement - Brain Stem ... Herniation • Brain stem ... Hypernatremia • Hypercalcemia ... Differential #Diagnosis #Algorithm
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 ... = delta wave Hyperkalemia ... Elevation AcutE STEMI ... Nonconducted APC #LAD ... LBBB #IVED #WPW #Hyperkalemia
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Pointes - Management Algorithm ... Hypomagnesemia • Hypokalemia ... infusion after load ... evidence • Load ... TDP #Management #Algorithm