24 results
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
necrophorum - Lemierre’s syndrome ... peritonsillar abscess ... Primary acute HIV ... IDSA #diagnosis #differential ... #causes #bacteria
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Spinal Cord Syndromes ... Spinal stenosis - Abscess ... : - Infarction ... syphilis, and HIV ... #differential #
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Weakness • Spinal Cord ... (MS), Epidural abscess ... , Infarction, Syringomyelia ... #differential #
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 ... infarct • HIV ... /abscess • Ankylosing ... Imaging studies: • MRI ... #differential #
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
neurological lesion: Clinical ... Causes: 1. ... Infections: - ... HIV, CMV, HTLV ... MCTD, Sjogren syndrome
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... + MRI lesions + ... Syphilis • Pyogenic Abscess ... #diagnosis #causes ... #radiology #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Transverse Myelitis - Clinical ... compression (MRI ... causes need to ... simplex virus, HIV ... management #neurology #differential
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
Non-inflammatory Causes ... pachymeningitis • HIV ... neuropathy (LHON) plus MRI ... lesions and clinical ... noninflammatory #differential
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Bradycardia - Differential ... Endocarditis + Abscess ... #Bradycardia #differential ... #diagnosis #causes ... #cardiology #BRADI
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Agglutinin Syndrome ... Clinical Presentation ... Mycoplasma, EBV, HIV ... younger pts) Differential ... passage of red-brown urine