9 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... result is positive (abnormal ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior #CVA
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
• Transverse myelitis ... cord • Guillain-Barre ... • Provocative Tests ... absent anal wink test ... #causes #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Decreased / Absent Reflexes ... Diagnosis: • ... #Syndrome #diagnosis ... management #treatment #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... depressed deep tendon reflexes ... and sensitive tests ... #Syndrome #diagnosis ... #management #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... #PhysicalExam #neurology ... #comatose #diagnosis
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Spasticity - Reflexes ... Diagnosis: • ... Sjogren's • CSF: - Abnormal ... negative, MOG-IgG test ... #neurology #differential
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... : • Normal: Air ... II ○ Susac’s syndrome ... trauma ○ MS, CVA ... Labyrinthitis ○ Epstein-Barr
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... - Transverse myelitis ... MCTD, Sjogren syndrome ... reflexes: Areflexia ... #neurology #differential
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
(AG) = {Na - (Cl ... - Differential Diagnosis ... D-lactate (short bowel syndrome ... sedation, narcotics, CVA ... #Summary #Nephrology