29 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • Aplastic Anemia ... Autoimmune • ITP • SLE ... Alloimmune • anti-HLA ... HUS • DIC • Vasculitis ... #Hematology
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
- Water - Pus ... Pulmonary HTN - Vasculitis ... Barre - ALS - Transverse ... myelitis • Hematology ... : - Anemia
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup ... PNH 2. ... HLH syndrome 5. ... Acquired Aplastic Anemia ... Diagnosis #Algorithm #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Hemolytic anemia ... deficiencies - PNH ... Associated - SLE ... Differential #Diagnosis #hematology ... #rheumatology #
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup ... PNH 2. ... HLH syndrome 5 ... Acquired Aplastic Anemia ... Diagnosis #Algorithm #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... hemolysis, deficiency anemia ... , Vasculitides, ... Diagnosis #Algorithm #hematology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Non-Infectious Aortitis: • Vasculitides ... ANCA associated vasculitis ... erythematosus (SLE ... , Sarcoidosis, HLA-B27 ... Differential #Diagnosis #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... test, ANA (e.g., SLE ... changes), high MCV anemia ... or if a primary hematologic ... #Workup #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... genotypes): SS, SC, SE ... cardiac valve, vasculitis ... Diagnosis #Algorithm #workup ... #hematology #testing
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Autoimmune diseases: SLE ... Drugs, Unknown cause ... Treatment: • ... diagnosis #management #treatment ... #summary #rheumatology