43 results
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Scl70 (in some cases ... Smith, Sm/RNP, Scl ... Scl100, Th/To, Scl ... #differential # ... diagnosis #rheumatology
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic ... Algorithm and Causes ... Anemia #Algorithm #Differential ... #Causes #Workup ... #Hematology #Diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... not required in all ... #Diagnosis #Causes ... #Workup #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
evaluation or workup ... 1,500 cells/µL Workup ... organ-specific signs ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Dyspnea - Differential ... Diagnosis Framework ... failure - CAD/ACS ... Transverse myelitis • Hematology ... #diagnosis #causes
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
heliotrope, shawl sign ... Associated Features: Diagnosis ... Inflammatory #Myopathies #differential ... #diagnosis #comparison ... #rheumatology #
Antinuclear Antibody Testing - Nuclear Patterns
Homogeneous pattern: 
 • SLE, SSc, AIH, JIA
 • dsDNA, chromatin,
Scl70 (in some cases ... Smith, Sm/RNP, Scl ... Scl100, Th/To, Scl ... #differential # ... diagnosis #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Erythematosus - Diagnosis ... ) 30-45% Differential ... autoantibodies #signs ... symptoms #mimickers #differential ... #rheumatology
Ascites - Diagnostic Approach and Differential Diagnosis
The most common causes: cirrhosis, malignancy and heart failure. Approx
most common causes ... more than one cause ... dullness, puddle sign ... Jcortesizaguirr #Ascites #workup ... Diagnosis #hepatology
Platelet disorders and Aggregometry
Glanzmann Thrombasthenia
 • Defective aggregation to all agonists except ristocetin
 • Normal platelet,
aggregation to all ... similar aggregation pattern ... agonists • This pattern ... Platelet #disorders #hematology ... #diagnosis #Aggregometry