33 results
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Highly specific for SLE ... with both SLE ( ... clinically suspected, tests ... overlap syndromes ... erythematosus #diagnosis #rheumatology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Initial screening test ... block • Sjogren syndrome ... polymyositis overlap syndrome ... Summary #diagnosis #rheumatology ... #management
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
Measurement in SLE ... if < 200ng/mL Best ... #Measurement #SLE ... #rheumatology # ... levels #lupus #management
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... Oral aphthae : SLE ... • Arthritis: SLE ... #diagnosis #management ... signs #symptoms #rheumatology
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Optic nerve* (main cause ... Retina, Macula Main Association ... neuritis due to MS ... How to test it? ... #Defect #RAPD #neurology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
K), H. pylori test ... thyroid function test ... , ANA (e.g., SLE ... (CVID, WAS), (neurologic ... #Workup #hematology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Demyelinating Syndrome ... autoantibodies that will cause ... #CNS #neurology ... #rheumatology # ... cerebritis #diagnosis #management
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... Phaeochromocytoma Neurologic ... brain injury By Association ... #Differential #Causes ... Checklist #Diagnosis #Management
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
rheumatoid arthritis, SLE ... Bedside: ice pack test ... /Edrophonium test ... Gravis #diagnosis #management ... #neurology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... arthritis - SLE ... fracture - Patellar dislocation ... Knee #Effusions #causes ... differential #diagnosis #msk