88 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Hemolytic anemia ... Kasabach-Merritt syndrome ... deficiencies - PNH ... Differential #Diagnosis #hematology ... #rheumatology #
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Churg-Strauss syndrome ... - systemic lupus ... - Schnitzler syndrome ... - Sjögren syndrome ... Vessels #Diagnosis #Rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Non-Infectious Aortitis: • Vasculitides ... arteritis, Cogan's Syndrome ... ANCA associated vasculitis ... (RA), Systemic lupus ... Differential #Diagnosis #rheumatology
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
nervous system (CNS ... diagnosis and treatment ... Inflammatory causes ... • Systemic lupus ... ANCA-associated vasculitides
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... hemoglobinuria (PNH ... usually IgG) (e.g. lupus ... differential #diagnosis #hematology ... #anemia
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
- Water - Pus ... Pulmonary HTN - Vasculitis ... Hepatopulmonary syndrome ... Transverse myelitis • Hematology ... : - Anemia
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... hemolysis, deficiency anemia ... , Vasculitides, ... IBD, Celiac disease ... Diagnosis #Algorithm #hematology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Demyelinating Syndrome ... Cerebrovascular Disease ... autoantibodies that will cause ... Puncture, EEG Treatment ... #neurology #rheumatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... disorders • Celiac disease ... effect following treatment ... Iron deficiency anemia ... #Hematology
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Lemierre's syndrome ... Malignancy: - Hematologic ... . autoimmune): Lupus ... Rheumatoid arthritis, Vasculitis ... the most common vasculitis