20 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
myocardial infarction: ST ... anterior descending (LAD ... • Multilead ST ... elevation: Differential ... diagnosis #ekg #differential
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
0.5mm downgoing ST ... line; upsloping ST ... have no pain - LAD ... avR - proximal LAD ... Interpretation #differential
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
imitator" • ↓ K - ST ... long QT via long ST ... HOCM- dagger Q lat ... inf leads, LVH, LAE ... electrocardiogram #differential
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... Opposing leads ST ... ventricle pacing lead ... Segment #Elevation #differential
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... • Atropine • LSD ... Pupils #Defects #Differential ... Algorithm #Causes #Ophthalmology
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis and Miosis - Differential ... TCA, Cocaine, LSD ... Mydriasis #Miosis #differential ... #diagnosis #ophthalmology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... brainstem may lead ... Enophthalmos • Lid ... Ptosis #neurology #Differential ... #Diagnosis #ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Red Eye - Differential ... injuries that can lead ... eye structures, lid ... Conjunctivitis #ocular #differential ... #diagnosis #ophthalmology
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
Traumatic Red Eye - Differential ... subcutaneous emphysema of lid ... Traumatic #RedEye #Differential ... Algorithm #Causes #Ophthalmology
Ectropion: Inner margin of lower lid becomes visible with this condition.

Charlie Goldberg, M.D. - UCSD Catalog
margin of lower lid ... Images #Clinical #Ophthalmology ... #Ectropion #Photo