13 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
(HIT) result is ... cause of AVS and negative ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... HeadImpulse #Testing #HIT
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
- Differential Diagnosis ... Algorithm Hyperacute ... paraneoplastic syndromes ... complications of HIV ... Infectious (syphilis, HIV-associated
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Viral: VZV, HSV, HIV ... Vascular/Blockage ... MCTD, Sjogren syndrome ... #neurology #differential ... #algorithm
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Agglutinin Syndrome ... for anti-C3d and negative ... Mycoplasma, EBV, HIV ... Test: Donath-Landsteiner ... test #cold #
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
: • Spinal cord ... infarct • HIV ... lumbar stenosis • Vascular ... • Provocative Tests ... #causes #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
bouts of HTN Diagnostic ... tested and if negative ... , MOG-IgG test should ... simplex virus, HIV ... #management #neurology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Algorithm Pinpoint ... Disruptions in vascular ... ITP - APLS - HIT ... Fecal occult blood test ... #dermatology #physicalexam
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... of the spinal cord ... parainfluenza, Coxsackie, HIV ... #Differential #Diagnosis ... #neurology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... include a: • Neurologic ... II ○ Susac’s syndrome ... , CVA • Infectious ... zoster virus ○ HIV
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
Hyperviscosity, - Vascular ... levels >1g/L • Negative ... cryoglobulins • Negative ... • TTP, HUS and HIT ... Antiphospholipid syndrome