47 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Legg-Calve-Perthes disease ... - HIV - Lyme disease ... #lower #extremity ... #msk #physicalexam
REBEL Review 99: Serotonin Syndrome via Yosuf Alam, MSIV

Presentation: Altered mentd status, Seizures, Myoclonus, Hypertension, Hyperthermia
99: Serotonin Syndrome ... Hyperthermia (most common cause ... confirmatory lab tests ... serotonergic drugs and ... SerotoninSyndrome #management
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... aracteristic "claw hand ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... - Differential Diagnosis ... Myelodysplastic Syndromes ... Liver Function Tests ... • Rule out B12 and
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Commonly caused ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
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 ... Differential Diagnosis ... • Provocative Tests ... absent anal wink test ... #causes #neurology
Romberg's Test for Proprioception
History: First described in the 19th century in patients with tabes dorsalis (later
Observe when patient closes ... with eyes open and ... • Cerebellar disease ... #neurology #diagnosis ... proprioception #physicalexam
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
Non-inflammatory Causes ... less common diseases ... Non-inflammatory causes ... consistent with MS ... #neurology #noninflammatory
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... Positive pathergy test ... is a skin prick test ... ) Differential Diagnosis ... #diagnosis #management
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
and Management ... or metastatic disease ... hypophysitis, Sheehan's syndrome ... A STIM test can ... ACTH STIM TEST: