20 results
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Acute meningeal signs ... in 70%-85% • Negative ... rav7ks #CNS #Infections ... #neurology #meningitis
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... symptoms/signs, ... nystagmus - Infection ... • Meningitis ... #Differential #Diagnosis
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
- Differential Diagnosis ... • Typhus, gram-negative ... Acute bacterial meningitis ... Brucellosis Faget's Sign ... #Differential #Diagnosis
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... • Meningeal signs ... lesion • CNS infection ... (e.g., meningitis ... #Algorithm #neurology
Lyme Disease: Early and Late Clinical manifestations
Stage 1. Localized
 • EM appears 7-14 days at the
• Heralded by neurologic ... SSX (lymphocytic meningitis ... impairment - Normal ... Lyme #Disease #diagnosis ... #signs #symptoms
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
Relative Afferent ... It is a clear sign ... very sensitive diagnostic ... Pupillary #Defect #Neurology ... #Clinical #Video
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Capnocytophaga canimorsus normal ... fastidious gram-negative ... cellulitis to meningitis ... Myocarditis & culture-negative ... the key to the diagnosis
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... is required for diagnosis ... : Serial negative ... : + (Negative blood ... large infarct - Infectious
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
pulmonary, systemic or meningitic ... level • A low or normal ... (~40%) • Meningitis ... : • Serology for ... Invasive Disease: • Meningitis
Generalized Seizures and Pseudoseizures
Generalized seizures "are conceptualized as originating as some point within, and rapidly engaging,
alcohol or other sedative ... and bacterial meningitis ... Classification #Diagnosis ... #Neurology #Signs