107 results
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 ... mass #Diplopia #differential ... #diagnosis #ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Midbrain (Parinaud's Syndrome ... Pupils #Defects #Differential ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Renin secreting tumor ... , Gitelman syndrom ... #Hypokalemia #Differential ... Diagnosis #Algorithm #causes
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... dissociation • Other causes ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... - Differential ... Defining the cause ... Renin-secreting tumor ... #hypokalemia #differential
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
 -
Neuro-OphthaImoIogy ... Pituitary/metastatic tumor ... Infection • MS ... NeuroOphthaImoIogy #Neurology #Differential ... Diagnosis #Anatomy #Causes
Secondary causes of Hypertension
 • Medications, Drugs, Chemo: NSAIDS, Steroids, CNI, Alcohol, Cocaine, OCP, Licorice, MAOI,
Secondary causes ... Other Endocrine causes ... Renin producing tumor ... Deoxycorticosterone tumor ... #Hypertension #differential
Bilateral Acute Vision Loss - Differential Diagnosis Algorithm

Complete/ Partial Homonymous Hemianopia
 • Infarct
 • Intracranial Hemorrhage
Vision Loss - Differential ... Hemorrhage • Tumor ... Acute #VisionLoss #Differential ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Virilization - Differential ... Hyperthecosis • Tumor ... Tumor Low Serum ... #Virilization #Differential ... endocrinology #causes
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
- Differential ... canal dehiscence syndrome ... • Cogan's syndrome ... Amy Chung, MD, MSc ... #Differential #