49 results
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 ... in V1, unless LBBB ... electrocardiogram #cardiology #STEMI
Ventricular Tachycardia in Wide Complex Tachycardia - Telemetry Diagnosis
 • Lead V1 - LBBB Criteria
 •
Diagnosis • Lead ... V1 - LBBB Criteria ... • Lead V1 - RBBB ... aVR - Vereckie Algorithm ... #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 ... Elevation AcutE STEMI ... hypertrophy Sinus pause ... Nonconducted APC #LAD ... #LBBB #IVED #WPW
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
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 ... STEMI Criteria misses ... @EM_RESUS #LAD
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
Hordeolum (Stye ... eyelash follicle • Cause ... eyelashes on the upper lid ... • Cause: A blocked ... Ophthalmology #Hordeolum #Stye
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Differential Diagnosis Algorithm ... Blepharitis • Stye ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Causes of Diffuse and Localized Lymphadenopathy - Differential Diagnosis Algorithm
 • Reactive (Inflammatory / Infectious)
 •
Causes of Diffuse ... Differential Diagnosis Algorithm ... Lymphadenopathy #LAD ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Weakness - Differential Diagnosis Algorithm

Kara Lau @ytk_lau

#Weakness #Differential #Diagnosis #Algorithm #causes
Differential Diagnosis Algorithm ... Kara Lau @ytk_lau ... Differential #Diagnosis #Algorithm ... #causes
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Brugada 1 - Coved STE ... HOCM- dagger Q lat ... inf leads, LVH, LAE ... Trifascicular block - RBBB ... (<360ms) PE: RBBB