138 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
decreased PLT count: CBC ... PT, aPTT(liver disease ... (CVID, WAS), (neurologic ... bypass), LFT (liver disease ... #Workup #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Artifact (redo CBC ... • Rheumatic disorders ... • Celiac disease ... Diagnosis #Algorithm #Causes
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... • Sleep-Disordered ... Miscellaneous: • Hematologic ... Disorders Chronic ... Diagnosis #Algorithm #Causes
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
Causes of Proximal ... or peripheral neurologic ... disease • Myasthenia ... #differential #causes ... #neurology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Sequestration Disordered ... Connective Tissue Disorders ... Diagnosis #Algorithm #Causes ... #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Bone marrow disease ... deficiency • Liver disease ... Von Willebrand disease ... Dermatosis: Schamberg Disease ... Differential #Diagnosis #hematology
Reversible Neurocognitive Disorders (Reversible Causes of "Dementia")
 • Structural/Mass: Subdural Hematoma, NPH, Intracranial tumor
 • Infection:
Neurocognitive Disorders ... (Reversible Causes ... Neurocognitive #Disorders ... differential #diagnosis #causes ... #neurology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Causes of Splenomegaly ... Myeloproliferative disorders ... Spherocytosis • Acquired causes ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Dizziness / Lightheadedness - Differential Diagnosis Algorithm
Lightheaded, unsteady, disoriented - Non-vertigo
Organic Disease
 • Presyncope/Vasodepressor
Causes of Dizziness ... Non-vertigo Organic Disease ... Drugs Psychiatric Disease ... Anxiety • Panic Disorder ... Lightheadedness #Neurology
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
Gangrenosum: Autoimmune disorder ... vasculitis which causes ... number of systemic diseases ... inflammatory bowel disease ... Clinical #Photo #Dermatology