14 results
All About Horner's Syndrome

Horner's syndrome, known as 
"oculosympathetic paresis" by people 
who don't have friends, is
Syndrome Horner's ... have friends, is caused ... Horner's svndrome ... in 1855 by Ed Horner ... DGlaucomflecken #Horners
Causes of Chronic Diarrhea - Differential Diagnosis
Osmotic
 • Food/Drink: Lactose intolerance, Artificial sweeteners (e.g. sorbitol, high
Causes of Chronic ... Diarrhea - Differential ... Diagnosis Osmotic ... high fructose corn ... #Causes #Differential
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... "claw hand" ± Horner ... Syndrome Wrist ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... papilledema • Horner ... syndrome, history ... lesion • CNS infection ... #Differential #Diagnosis
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... response preceding infection ... arrythmias • Other: Diarrhea ... cardiomyopathy, Horner ... Guillain-Barre Diagnosis
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
conjunctiva and cornea ... • Thiamine - Nausea ... ataxia), Korsakoff syndrome ... immune function, diarrhea ... #differential #diagnosis
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... Microvascular disease Infectious ... Miller-Fisher syndrome ... orbitopathy) • Corneal ... #Causes #Ophthalmology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
diarrhea • ... the low levels ORDER ... DDX - Other causes ... : • Nephrotic syndrome ... (Epstein-Barr syndrome
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
- Differential Diagnosis ... Causes: • Still's ... days • Tick-borne ... fever • Louse-borne ... #Differential #Diagnosis
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
, vomiting, diarrhea ... 14%), in which case ... Viral hepatitis Diagnosis ... • HIV-1 p24 core ... #HIV #diagnosis