109 results
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Hyperthecosis • Tumor ... Tumor Low Serum ... Obesity • Liver Disease ... Diagnosis #Algorithm #endocrinology ... #causes
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 ... Granulomatous disease ... - Williams syndrome ... Hypercalcemia #Causes ... Differential #Diagnosis #Endocrinology
Wing-Beating Tremor of Wilson's Disease

Characterized by low frequency, high amplitude, near arm tremor caused by continuous
Wing-Beating Tremor ... of Wilson's Disease ... caused by continuous ... #Wilsons #Disease ... neurology #copper #physicalexam
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... , Orbital apex syndrome ... URGENT: Brainstem tumor ... myopathy (Graves disease ... differential #diagnosis #ophthalmology
Wing-Beating Tremor of Wilson's Disease

Characterized by low frequency, high amplitude, near arm tremor caused by continuous
Wing-Beating Tremor ... of Wilson's Disease ... caused by continuous ... #Wilsons #Disease ... neurology #copper #physicalexam
Secondary causes of Hypertension
 • Medications, Drugs, Chemo: NSAIDS, Steroids, CNI, Alcohol, Cocaine, OCP, Licorice, MAOI,
Secondary causes ... Primary Renal Disease ... : Thyroid disease ... Renin producing tumor ... Deoxycorticosterone tumor
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
for the neuro-ophthalmologic ... Miller-Fisher syndrome ... intracranial pressure (CN Ill ... Differential #Diagnosis #Causes ... #Ophthalmology
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... failure, Addison's disease ... calcium)-alkali syndrome ... Hypercalcemia #Causes ... calcium #high #endocrinology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Diagnosis: • CN Ill ... dissociation • Other causes ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Activity • Liver Disease ... Klinefelter's Syndrome ... • Kallman's Syndrome ... Diagnosis #Algorithm #causes ... #endocrinology