11 results
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 Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential ... Diagnosis Secondary ... iron deficiency, hemolysis ... Myelodysplastic syndrome ... #hematology #secondary
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... for workup, including ... blood loss, Acute hemolysis ... , Vasculitides, ... Kawasaki, Nephrotic syndrome
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... Effusion - Differential ... Non-Infectious: • Rheumatologic ... Mediterranean Fever • Vasculitis ... #cardiology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... AIHA Primary Secondary ... Cold Agglutinin Syndrome ... nose, ears, or fingers ... younger pts) Differential
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 #
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Causes of Secondary ... Hypertension - Workup ... and Differential ... Coarctation of aorta, Vasculitis ... #causes #Differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... tract, and often causes ... • Cogan Syndrome ... episcleritis as well as inner ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... pulmonary infiltrates, hemoptysis ... infiltrates/cavities, hemoptysis ... tract, and often causes ... Diagnosis #Rheumatology
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