31 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
reexposed to light; • Normal ... Holmes-Adie Syndrome ... Young females Differential ... Diagnosis: • CN ... #neurology #ophthalmology
Congenital Nystagmus on Physical Exam
These abnormal eye movements were found in a patient with albinism. What
Diagnosis: Congenital ... Cooper Neurology ... Congenital #Nystagmus #PhysicalExam ... #ocular #clinical ... #ophthalmology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Extra-renal Losses: • Normal ... Renin secreting tumor ... potassium #low #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... Renin-secreting tumor ... Al, Normal R - ... #nephrology #causes
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... Diagnosis Framework ... , Tumor genesis ... #Diagnosis #Framework ... Workup #phosphate #nephrology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Diagnosis Algorithm ... Opioids, Alcohol) Dorsal ... Midbrain (Parinaud's Syndrome ... #Causes #Ophthalmology
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Diplopia TIER 1-CRITICAL ... , Orbital apex syndrome ... URGENT: Brainstem tumor ... mass #Diplopia #differential ... #diagnosis #ophthalmology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Diagnosis Baseline ... investigations abnormal ... investigations depending on clinical ... • Cardio-renal syndrome ... #Diagnosis #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Renin secreting tumor ... Low-normal EABV ... urine #potassium #differential ... #algorithm #diagnosis ... #nephrology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Myelitis, Trauma, Tumor ... Guillain-Barre syndrome ... heavy metals), Critical ... Weakness #Causes #differential ... #diagnosis #neurology