32 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... hemorrhage) • Chronic ... inflammatory disorders ... (e.g. autoimmune ... #hematology #secondary
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... Solid Tumour (e.g ... • Metabolic disorders ... • Chronic myelogenous ... #Hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... • Screen for secondary ... organ-specific signs ... or symptoms (eg ... Differential #diagnosis #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Platelet Disorders ... function test, ANA (e.g ... (CVID, WAS), (neurologic ... or if a primary hematologic ... #Workup #hematology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Neoplastic / Hematologic ... Pulmonary Disease Neurologic ... • Drug Abuse (e.g ... • Somatization Disorder
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... halt nail growth (e.g ... discoloration) • Chronic ... #dermatology #Differential ... Diagnosis #Algorithm #causes
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
, Seizure disorders ... autoantibodies that will cause ... Lumbar Puncture, EEG ... Erythematosus #SLE #CNS #neurology ... #rheumatology #
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Iron Deficiency (Eg ... Causes: Chronic ... 18% • Anemia Secondary ... Other • e.g ... #Hematology
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Osteodystrophy - Secondary ... to Chronic Renal ... • Bone Marrow Disorder ... Malignancy • Drugs (e.g ... #Orthopedics #Causes
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... <35 years old, e.g ... • Functional (e.g ... . eating disorder ... Stalk Damage (e.g