22 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
inflammatory disorders ... (e.g. autoimmune ... Myelodysplastic syndrome ... #Causes #hematology ... #secondary
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... Unstable hemoglobin disorders ... #differential #diagnosis ... #hematology #microscopy ... #atlas #nomenclature
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... • Screen for secondary ... signs or symptoms (eg ... #Differential #diagnosis ... #hematology #eosinophilia
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 ... • Nephrotic syndrome ... #Diagnosis #Algorithm
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
- Differential Diagnosis ... Neoplastic / Hematologic ... • Drug Abuse (e.g ... • Somatization Disorder ... Fatigue Syndrome
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... - Differential Diagnosis ... normal prolactin, chaotic ... . eating disorder ... #Differential #Diagnosis
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Demyelinating Syndrome ... Headache, Movement disorders ... , Seizure disorders ... Lumbar Puncture, EEG ... APS), Secondary
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Type III Often Secondary ... Labs/Diagnosis: ... (e.g. systemic ... Cryoglobulins #diagnosis ... classification #rheumatology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Causes of Secondary ... Hypertension - Workup ... and Differential Diagnosis ... Neurologic disorders ... #Hypertension #Workup
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
- Differential Diagnosis ... 2nd pass = Chronic ... & Rx-related Secondary ... Eosinophilic GI Disorders ... cell activation syndrome