13 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... cause of AVS and ... with a central cause ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... #differential #diagnosis ... #table #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
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
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Locked-in syndrome ... /flaccid limbs vs ... Casey Albin MD @ ... #PhysicalExam #neurology
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 ... cord • Guillain-Barre ... • Provocative Tests ... absent anal wink test ... #causes #neurology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... cause unknown) ... II ○ Susac’s syndrome ... Mitochondrial disorders ... Labyrinthitis ○ Epstein-Barr
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Compensation, Acute vs ... (AG) = {Na - (Cl ... D-lactate (short bowel syndrome ... #Summary #Nephrology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Spinal Cord Disorders ... Non-compressive Spinal Cord Causes ... MCTD, Sjogren syndrome ... reflexes: Areflexia ... #diagnosis #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
an autoimmune disorder ... myasthenia Diagnosis ... Bedside: ice pack test ... /Edrophonium test ... #management #neurology