49 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Secondary Causes ... - Hemolytic anemia ... deficiencies - PNH ... Differential #Diagnosis #hematology ... #rheumatology #
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Cardiovascular Causes ... - Water - Pus ... Pulmonary HTN - Vasculitis ... Transverse myelitis • Hematology ... : - Anemia
Diagnosis and management of Polyarteritis Nodosa (PAN)

Chapel Hill 2012 definition: 
Necrotizing vasculitis ofmedium or small arteries
Diagnosis and management ... Necrotizing vasculitis ... Cardiomyopathy - CNS ... PolyarteritisNodosa #Rheumatology ... #Diagnosis #Management
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • Aplastic Anemia ... HUS • DIC • Vasculitis ... Diagnosis #Algorithm #Causes ... #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 ... (RA), Systemic lupus ... (SPA) • Other Causes ... Differential #Diagnosis #rheumatology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
CNS Manifestations ... autoantibodies that will cause ... Erythematosus #SLE #CNS ... #neurology #rheumatology ... cerebritis #diagnosis #management
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
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Features of Systemic Lupus ... Butterfly rash, Vasculitis ... ) Blood (75%): Anemia ... Thrombocytopenia #Lupus ... symptoms #diagnosis #rheumatology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Autoimmune Hemolytic Anemia ... DIAGNOSE AIHA • Anemia ... 2) LOOK FOR a cause ... #diagnosis #management ... #treatment #rheumatology
Aplastic Anemia - Illness Script
Signs and symptoms:
 • Recurrent infections from neutropenia
 • Mucosal bleeding from
Aplastic Anemia ... • Symptomatic anemia ... • Associated PNH ... #diagnosis #management ... #treatment #hematology