15 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Extraocular Movement Disorders ... One-and-a-half Syndrome ... Extraocular #Movement #Disorders ... #Localization #ophthalmology ... #neurology #differential
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Hypercalcemia - Differential ... Hypercalcemia Low ... PTHrP: - Low ... Drugs, Endocrine disorders ... Algorithm #Workup #nephrology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup - Differential ... , Infiltrative disorders ... metastases, Hungry bone syndrome ... Hypocalcemia #Workup #Differential ... Diagnosis #Algorithm #nephrology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
dissociaton; • Usually unilateral ... Holmes-Adie Syndrome ... Young females Differential ... #PhysicalExam #neurology ... #ophthalmology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Adrenal adenoma, Bilateral ... Low-normal EABV ... , Low Plasma HCO3 ... urine #potassium #differential ... algorithm #diagnosis #nephrology
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Metabolic Brain Disorders ... Globi Pallidi T2 Low ... Vasogenic Edema: PRES Unilateral ... #Clinical #Differential ... Diagnosis #Radiology #Neurology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
and Headache - Differential ... without headache • Disorder ... Ocular inflammatory disorder ... #diagnosis #ophthalmology ... #Neurology
Causes of Dysarthria - Differential Diagnosis Algorithm
Lower Motor Neuron - Slow, Low Volume, Breathy Speech, Tongue
of Dysarthria - Differential ... , Low Volume, Breathy ... Paraneoplastic Disorder ... #Dysarthria #Neurology ... #Differential #
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
symptoms: • Severe low ... Sciatica: often bilateral ... Examination - bilateral ... #differential # ... diagnosis #causes #neurology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
metastasis (hungry bone syndrome ... ) • Endocrine disorders ... Hypomagnesemia #Causes #differential ... #diagnosis #nephrology ... #magnesium #low