12 results
Algorithm for workup of thrombocytopenia based on observation of the peripheral blood film. 
TTP/HUS indicates thrombotic
Algorithm for workup ... thrombocytopenic purpura/hemolytic ... uremic syndrome ... thrombocytopenia, Hematology ... #Diagnosis #Differential
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Valves, AS - HTN ... Drug-associated, PCH, Evans Syndrome ... #Differential # ... Diagnosis #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... for workup, including ... blood loss, Acute hemolysis ... Kawasaki, Nephrotic syndrome ... Thrombocytosis #Platelets #Differential
Hypertensive Disorders of Pregnancy
Chronic Hypertension:
 • Guidelines as SBP ≥130 or DBP ≥ 90 mmHg
 •
unless severe HTN ... patients • HELLP: Syndrome ... of hemolysis, elevated ... #obstetrics #cardiology ... #differential #
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin Syndrome ... nose, ears, or fingers ... Diagnosis: • hemolytic ... younger pts) Differential ... #anemia #hematology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
thrombosis+Pulm HTN ... • Coombs (-) hemolytic ... Paraproteinemias #Hematology ... #Monoclonal #Differential ... #Diagnosis #Oncology
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
Hypertension - Differential ... taken at home, work ... excess (Cushing syndrome ... Primary #Secondary #HTN ... #Cardiology #Differential
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Differentiation Syndrome ... fever, myalgias, HoTN ... initiation • Differential ... Differentiation #Syndrome ... #oncology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Workup: • Complete ... blood count with differential ... #diagnosis #hematology ... #oncology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Abdominal pain • HTN ... pulmonary infiltrates, hemoptysis ... infiltrates/cavities, hemoptysis ... #Diagnosis #Rheumatology