49 results
Amenorrhea - Differential Diagnosis Algorithm
Elevated FSH
 • Premature Ovarian Failure
 • Menopa use
 • Spontaneous
Bleed With
Amenorrhea - Differential ... Polycystic Ovarian Syndrome ... Weight Loss, Eating Disorders ... Diagnosis #Algorithm #endocrinology ... #causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Platelet Disorders ... - Differential ... decreased PLT count: CBC ... #Differential # ... #Workup #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential ... Artifact (redo CBC ... • Rheumatic disorders ... #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... Vasculopathy #Purpura #Differential ... #rheumatology #
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
von Willebrand Syndrome ... Diagnosis and Management ... vonWillebrand #Syndrome ... #treatment #hematology ... #differential
Causes of Hypercalcemia
Parathyroid hormone–dependent
Primary hyperparathyroidism
Familial hypocalciuric hypercalcemia
Lithium-associated
Tertiary hyperparathyroidism
Genetic disorders (e.g., multiple endocrine neoplasia type 1 or
Causes of Hypercalcemia ... hyperparathyroidism Genetic disorders ... Hypercalcemia #Causes ... #Differential # ... Diagnosis #Endocrinology
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
BEE Syndromes - ... Inflammatory causes ... optica spectrum disorder ... #neurology #inflammatory ... #differential #
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... - Differential ... Chronic inflammatory disorders ... Myelodysplastic syndrome ... #hematology #secondary
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in Wonderland Syndrome ... (Many causes!) ... • Psychiatric disorders ... #diagnosis #neurology ... #differential
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Extraocular Movement Disorders ... One-and-a-half Syndrome ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #