14 results
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Differential Diagnosis Algorithm ... Blepharitis • Stye ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
Hordeolum (Stye ... eyelash follicle • Cause ... upper lid • Cause ... Ophthalmology #Hordeolum #Stye
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
new/old infarct STEMI ... • DDx: Acute STEMI ... big R or R/S>I STEMI ... in V1, unless LBBB ... electrocardiogram #cardiology #STEMI
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
diagnosing MI in LBBB ... or Pacemaker LBBB ... Criteria - Suspect STEMI ... a) Concordant STE ... V1-V3 c) STE
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Diagnosis Lids: • Stye ... Diagnosis #table #causes
FIGURE 2. CHALAZION.  

Hordeola and chalazia are two common causes of the red, swollen eyelid
are two common causes ... colloquially called a stye
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
terminal delay [BBB ... Elevation AcutE STEMI ... IVH with Strain BBB ... hypertrophy Sinus pause ... #LBBB #IVED #WPW
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... Differential Diagnosis Algorithm ... Myelofibrosis Stem ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Diagnosis Framework STEMI ... morphology similar to LBBB ... voltage Other Causes ... STElevation #ST #STEMI
Modified Sgarbossa Criteria for diagnosing STEMI in the presence of a LBBB If there is concordant
for diagnosing STEMI ... presence of a LBBB ... A: Concordant STE ... C: Discordant STE ... Modified #Criteria #LBBB