26 results
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... CT or MRI scan of ... • Cushing’s syndrome ... Mineralocorticoid excess syndromes ... Acromegaly #Secondary
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Optic nerve* (main cause ... Retina, Macula Main Association ... neuritis due to MS ... How to test it? ... #Defect #RAPD #neurology
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
Guillain–Barré syndrome ... Landry–Guillain–Barré–Strohl syndrome ...  Most common cause ... albumin-cytologic dissociation ...  West Nile virus
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... Liver Function Tests ... Myelodisplastic syndrome ... Pruritus #primary #secondary ... #generalized #dermatology
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Non-inflammatory Causes ... Non-inflammatory causes ... neuropathy (LHON) plus MRI ... consistent with MS ... #neurology #noninflammatory
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
Primary and Secondary ... Systemic N - Neurologic ... Patient Prefers to Rest ... Amy Chung, MD, MSc ... #differential #causes
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... • Provocative Tests ... absent anal wink test ... Imaging studies: • MRI ... #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Epidemiology: • 1-2 cases ... Albuminocytologic dissociation ... axonal form • MRI ... management #treatment #neurology
Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
 • Thin, easily bruisable skin with
Cushing's Syndrome ... • Acne • If secondary ... menstrual cycles 5) Secondary ... dexamethasone suppression test ... #Cushings #Syndrome
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... in primary or secondary ... Fecal occult blood test ... • Serology for ... #dermatology #physicalexam