74 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
SLE) - Viral infections ... deficiencies - PNH ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
- Tamponade Pulmonary ... - Water - Pus ... Vasculature: - PE - Pulmonary ... Transverse myelitis • Hematology ... #pulmonary
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... drug reaction, infection ... organ-specific signs ... or symptoms (eg ... Differential #diagnosis #hematology
Aplastic Anemia - Illness Script
Signs and symptoms:
 • Recurrent infections from neutropenia
 • Mucosal bleeding from
Illness Script Signs ... and symptoms: ... • Recurrent infections ... • Associated PNH ... management #treatment #hematology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Splenomegaly, Increased PMNs ... Cyanosis without Pulmonary ... Chronic Chest Symptoms ... #Hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... circulation - Infections ... • PCH • PNH ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... procedures - Infection ... pylori test (GI symptoms ... or if a primary hematologic ... #Workup #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... hemoglobinuria (PNH ... spherocytosis) • Infections ... Extravascular #Causes ... differential #diagnosis #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Due to Viral infection ... Clinical Presentation ... influenza (younger pts ... disease (younger pts ... hemolytic #anemia #hematology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Is visual loss caused ... the optic nerve caused ... Clinical manifestations ... Doppler US : halo sign ... GiantCellArteritis #GCA #Rheumatology