20 results
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
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- Light-near dissociation ... and classical association ... Robertson #Pupil #neurology ... #diagnosis #ophthalmology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... and Workup Step ... mmol/L - true hyponatremia ... #Diagnosis #Workup ... #Algorithm #Nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... Diabetes Insipidus Workup ... #Management #Algorithm ... #Sodium #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... Differential Diagnosis Workup ... Algorithm 1) ... Differential #Diagnosis #Workup ... #Algorithm #nephrology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
• Light-near dissociaton ... no light-near dissociation ... #PhysicalExam #neurology ... #ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Differential Diagnosis Algorithm ... Syphilis (light-near dissociation ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
morphology ● AV dissociation ... Brugada algorithm ... point) of S > 100 ms ... AV dissociation
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Differential Diagnosis Algorithm ... Trauma to Vessel (dislocation ... Vascular #JointPain #MSK ... Differential #Diagnosis #Algorithm
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
i.e., light-near dissociation ... clinical #video #ophthalmology ... #neurology #syndrome
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Differential Diagnosis Algorithm ... • Neurologic ... Cataract/Lens Dislocation ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology