15 results
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
- Nonremitting fever ... Liver function tests ... Histopathologic criteria ... Treatment: • Corticosteroids ... #Rheumatology
Diagnosing Brucellosis
Epidemiological Exposures
- Endemic Regions
- Clinical Micro Lab Technicians
- Animal/Vaccine Exposure: Vets, Slaughterhouse workers, hunters
- Unpasteurized
Constitutional: Fevers ... Weight loss - End Organ ... Genitourinary Diagnostic Tests ... Brucellosis #Diagnosis #Criteria ... #Workup #Testing
Irritable Bowel Syndrome (IBS) - Diagnosis and Workup Summary
Use a positive diagnostic strategy with minimal testing.
Irritable Bowel Syndrome ... Diagnosis and Workup ... Rome IV Criteria ... cultures, but test ... missing things" → fewer
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
- 80% have fever ... lab signs of end organ ... damage • Treatment ... Low calcium • Treatment ... diagnosis #management #hematology
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
emergency: permanent organ ... Treatment depends ... Actively maintained fever ... • Serotonin syndrome ... Diagnosis #Management #Workup
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
adults in the west ... Lymphadenopathy • Fevers ... infiltrate any organ ... microglobulin Treatment ... Leukemia #diagnosis #workup
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
with visceral organ ... Criteria for Diagnosis ... Fever >38.5 2. ... disease: symptomatic treatment ... SinaiBmoreIMRes #DRESS #Syndrome
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Differentiation Syndrome ... Triggers: ATRA treatment ... Subacute-Acute: • Common: fever ... Renal Failure Treatment ... unless severe APLS, organ
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Overwhelming clinical syndrome ... with multiple organ ... following: • Fever ... • Bicytopenia Treatment ... #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... agents given to organ ... factor (GCSF) treatments ... Workup: • Complete ... #diagnosis #hematology