65 results
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... less systemic symptoms ... can present with rash ... anti-synthetase syndrome ... #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... - Differential Diagnosis ... methotrexate) • Drugs Autoimmune ... Non-lmmune: • HELLP Syndrome ... #Hematology
Antiphospholipid Syndrome (Hughes' Syndrome) 
Antiphospholipid syndrome - an autoimmune condition where the affected individual produces antibodies
(Hughes' Syndrome ... - an autoimmune ... It can cause arterial ... #APLS #Signs #Symptoms ... #Diagnosis
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... - Differential Diagnosis ... disorders (e.g. autoimmune ... Myelodysplastic syndrome ... #Causes #hematology
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
staphylococcal scalded skin syndrome ... and toxic shock syndrome ... erythematous rash ... #Diagnosis #Dermatology ... #Erythematous #Rash
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... Atypical HUS, autoimmune ... antiphospholipid syndrome ... CHAMPS #Mnemonic #diagnosis ... #differential #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... ) - HELLP syndrome ... Hemolytic uremic syndrome ... #hematology #anemia
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... : - Autoimmune ... #Algorithm #Causes ... #dermatology #physicalexam
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... - Differential Diagnosis ... : ITP, HITT - Autoimmune ... antiphospholipid syndrome ... #Framework #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... organ-specific signs ... or symptoms (eg ... #Differential #diagnosis ... #hematology #eosinophilia