9 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential ... Diagnosis Secondary ... iron deficiency, hemolysis ... Myelodysplastic syndrome ... #hematology #secondary
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
- Differential ... taken at home, work ... excess (Cushing syndrome ... #HTN #Cardiology ... #Differential #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... leakage of RBC's secondary ... DIC/TTP/HUS - Hemolytic ... Kasabach-Merritt syndrome ... #rheumatology #
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Causes of Secondary ... Hypertension - Workup ... and Differential ... most pts have HTN ... #causes #Differential
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
AIHA Primary Secondary ... Cold Agglutinin Syndrome ... nose, ears, or fingers ... younger pts) Differential ... #anemia #hematology
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
, Ehler-Danlos syndrome ... mitral valve - Secondary ... long-standing HT ... Primary #Functional #Differential ... #Diagnosis #Cardiology
Myelodysplastic Syndromes (MDS)

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

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Abdominal pain • HTN ... infiltrates/cavities, hemoptysis ... tract, and often causes ... #Diagnosis #Rheumatology
Causes of Toxic Megacolon - Differential Diagnosis Framework
 • Inflammatory Bowel Disease: Ulcerative colitis, Crohn's colitis
Causes of Toxic ... Megacolon - Differential ... Cryptosporidiosis, Yersinia, Hemolytic-uremic ... syndrome (complicating ... dilatation: 5-HT3