9 results
Features of a Sickle Cell Crisis 
Sickle-cell disease - an autosomal recessive blood disorder.
Characterized by red
a Sickle Cell Crisis ... Crises can be precipitated ... The underlying pathophysiology ... #Features #Signs ... #Symptoms
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
chromosome 21) Signs ... Motor dysfunction: myoclonic ... incontinence, apraxia ... AlzheimersDisease #Dementia #pathophysiology ... #symptoms
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Presentation - Systemic Symptoms ... purpura: strong sign ... Large Vessel: Blood ... #rheumatology #classification
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
vessels (vasculitis ... Decr delivery of blood ... inflammation tends to cause ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
endothelial lining of blood ... periumbilical region), nausea ... HenochScholeinPurpura #Pathophysiology ... #Diagnosis #Signs ... #Symptoms
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
hair follicles -> causes ... endothelium) & Decr blood ... Livedo Reticularis, Vasculitis ... #diagnosis #signs ... #symptoms #complications
X-Linked Agammaglobulinemia: Pathogenesis and clinical findings
The epidemiology of this disease is 1/340,000 births and roughly double
remainder likely arises ... to produce all classes ... /Symptoms/Findings ... plasma cells in blood ... Agammaglobulinemia #XLinked #pathophysiology
Avascular Necrosis: Pathogenesis and Clinical Findings
 • Physical Trauma (esp. to the scaphoid bone with damage
disease (sickle crisis ... ) • Multiple causes ... AvascularNecrosis #pathophysiology ... #diagnosis #signs ... #symptoms
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... • Bilateral signs ... and/or symptoms ... than 2/3 of the cross-sectional ... - Sjogren - Vasculitis