35 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Complications are ... onto outstretched hand ... dorsum of the hand ... , pain with wrist ... #XRay #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... with vascular causes ... positional episodes caused ... No auditory symptoms ... Long symptom-free
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... Risks factor for HIV ... K), H. pylori test ... (GI symptoms/endemic ... (CVID, WAS), (neurologic
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
DDX: • Epstein-Barr ... antibody and HIV ... -1 and HIV-2 • ... Treatment: • ART ... #diagnosis
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Swelling notable on Xray ... boggy" joints, esp carpal ... Boutonniere's ulnar ... pathophysiology #signs #symptoms ... #diagnosis
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Campylobacter jejuni - HIV ... Can begin in arms ... Absent Reflexes: Arms ... Diagnosis: • ... management #treatment #neurology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... masses and lymphadenitis ... cause unknown) ... Labyrinthitis ○ Epstein-Barr ... zoster virus ○ HIV
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
from RTA type IV ... Serum DHEAS Diagnosis ... sodium, potassium, AM ... hydroxylase antibodies are ... endocrinology #diagnosis
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... immunodeficiency virus (HIV ... than one after symptom ... sensitive tests ... #management #neurology