9 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Platelet Disorders ... Diagnosis and Workup ... smear, HIV/HCV testing ... - Bone marrow evaluation ... #Workup #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... during medical evaluation ... or workup for specific ... 1,500 cells/µL Workup ... Differential #diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
' nucleotidase deficiency ... with or without platelet ... Consider RBC membrane disorder ... Diagnosis #Algorithm #workup ... #hematology #testing
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
Qualitative defect in platelets ... characteristic of a platelet ... discern these causes ... fibrinogen levels, and testing ... Differential #Diagnosis #Hematology
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
) Deficiency Etiology ... • Common Causes ... dysfunction, and/or disorders ... related to IBD, celiac ... total body stores Evaluation
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Thrombocytopenia - Abnormal platelet ... Clotting factor deficiency ... Vasculitis - Collagen disorders ... Work Up: •
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
are a group of disorders ... formed or don’t work ... : vitamin B12 or ... Workup: • Complete ... Syndromes #diagnosis #hematology
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
origin of the disorder ... a hypothalamic disorder ... Insufficiency #Evaluation ... laboratory #diagnosis #testing ... endocrinology #workup
Evaluation of Recurrent Falls

Core Concept:
Maintaining an upright posture requires the integrated function of multiple systems.
Disruption in
Evaluation of Recurrent ... e.g., diabetic, B12 ... deficiency) ... weakness, muscle wasting ... #Differential #Evaluation