22 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
: - Thrombocytopenia ... deficiencies - PNH ... Associated - SLE ... Differential #Diagnosis #hematology ... #rheumatology #
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Autoimmune • ITP • SLE ... HUS • DIC • Vasculitis ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... Diagnosis and Workup ... test, ANA (e.g., SLE ... or if a primary hematologic ... #Workup #hematology
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Cardiovascular Causes ... - Water - Pus ... Pulmonary HTN - Vasculitis ... Barre - ALS - Transverse ... myelitis • Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
genotypes): SS, SC, SE ... Schistocytes, thrombocytopenia ... cardiac valve, vasculitis ... Diagnosis #Algorithm #workup ... #hematology #testing
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Erythematosus (SLE ... • Immunologic Workup ... Positive in 60-80% of cases ... life-threatening • Treatment ... Management #Summary #rheumatology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus (SLE ... autoantibodies that will cause ... Puncture, EEG Treatment ... Erythematosus #SLE ... #rheumatology #
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... Discontinuation of causal ... • Immunologic Workup ... life-threatening • Treatment ... comparison #table #rheumatology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
+ Bleeding Treatment ... Treat primary cause ... Coagulation #diagnosis #causes ... #treatment #management ... #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Non-autoimmune rheumatologic ... Malignancy (e.g. hematologic ... • May involve PNS ... neuropathy • Transverse ... Erythematosus #Diagnosis #Rheumatology