14 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 negative ... a stand-alone test ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
and workup ... hydrocephalus, HIV ... ... laboratory tests ... Aphaso-apraxo-agnosia syndrome ... Frontal atrophy Vascular
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
spread of the Gram-negative ... the preferred test ... typically part of the workup ... • Test all patients ... for HIV, Chlamydia
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... ANAs; thus, a negative ... : HIV test, a rubella ... (to support a diagnosis ... #diagnosis #testing
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential Diagnosis ... patients with a negative ... Causes: • Vascular ... Neurologic disorders
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
were negative and ... dismay the blood work ... tumor, and always ask ... Myasthenia #Gravis #PhysicalExam ... ophthalmology #neurology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
BCNIE Diagnostic ... factors: - Serology ... antiphospholipid syndrome ... #Endocarditis #diagnosis ... #differential #workup
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... Disruptions in vascular ... deficiency Work ... Fecal occult blood test ... #dermatology #physicalexam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
cord infarct • HIV ... lumbar stenosis • Vascular ... • Provocative Tests ... absent anal wink test ... #causes #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... parainfluenza, Coxsackie, HIV ... dystrophies Work ... #Differential #Diagnosis ... #neurology