13 results
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
FUO) - Further Workup ... Returning Traveler’ algorithm ... Test for the respective ... values supporting hematologic ... #diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... , ANA (e.g., SLE ... #Causes #Workup ... #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... - Differential Diagnosis ... Algorithm Normal ... #Algorithm #Causes ... #Hematology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Renal Failure • Liver ... Neoplastic / Hematologic ... Infectious • Endocarditis ... #Algorithm #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Red Flags: • Fever ... Schonlein Purpura - Endocarditis ... deficiency Work ... Fecal occult blood test ... #Algorithm #Causes
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
halt nail growth (e.g ... • Bacterial endocarditis ... discoloration) • Liver ... #Differential #Diagnosis ... #Algorithm #causes
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
night sweats, fever ... Septic Emboli Cause ... -> TEE • Duke Criteria ... ↑ ESR, CRP • EKG ... #cardiology
Possible Algorithm for Workup of Fever of Unknown Origin (FUO)
Tier 1 Workup:
 • CBC, comprehensive metabolic
for Workup of Fever ... release assay (e.g ... • Additional tests ... marrow, Lymph node, Liver ... #diagnosis
Modified dengue severity classification, PAHO/WHO
Dengue without warning signs - DNWS:
 • Person who lives or has
days and presents fever ... the following criteria ... positive tourniquet test ... organs #dengue #fever ... classification #diagnosis
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
thrombocytopenia • Liver ... function tests ... Histopathologic criteria ... Activation #Syndrome #Diagnosis ... #Management #Hematology