15 results
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
microbiological techniques Work-up ... factors: - Serology ... antiphospholipid syndrome ... special stains (e.g ... #differential #workup
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Kidney Injury AKI ... vasoconstriction (e.g ... inhibitors, hepatorenal syndrome ... • Toxins • Infection ... Differential #Diagnosis #nephrology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
dialysis indication (e.g ... require urgent nephrology ... Nephrotoxic drugs (e.g ... KidneyInjury #simplified #workup ... #diagnosis #nephrology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in Wonderland Syndrome ... (e.g. encephalitis ... Brain lesions (e.g ... Alice #Wonderland #Syndrome ... #diagnosis #neurology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... symptoms and signs (e.g ... lesion • CNS infection ... (e.g., meningitis ... Diagnosis #Algorithm #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
• Acute stroke syndromes ... Paraneoplastic syndrome ... Lambert-Eaton - Isaacs' syndrome ... electromyographic (EMG ... Differential #Diagnosis #neurology
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
Stiff Person Syndrome ... unit activity on EMG ... of diazepam • EMG ... TPO, TTG, etc EMG ... Management #treatment #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Spinal Cord Syndromes ... (e.g., poliovirus ... Brown-Séquard Syndrome ... Posterior Cord Syndrome ... differential #diagnosis #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Miller Fisher Syndrome ... Electrodiagnostic studies - EMG ... Guillain #Barre #Syndrome ... management #treatment #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Encephalopathy Syndrome ... Clinico-Radiological Syndrome ... syndrome by 24 ... • EEG: With persistent ... diagnosis #management #neurology