93 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
when reexposed to light ... Young females Differential ... Diagnosis: • CN ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Ultrasound in the Evaluation of Right Upper Quadrant Abdominal Pain

- Dr. Tom Fadial https://twitter.com/thame

#Hepatobiliary #RUQ #AbdominalPain
Evaluation of Right ... AbdominalPain #Algorithm #POCUS ... #Ultrasound #Diagnosis ... #Evaluation #Differential
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia Differential ... low, uric acid high ... #Hyponatremia #Differential ... #Algorithm #Diagnosis ... #Nephrology
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
-2mm) pupil - Light-near ... Robertson #Pupil #neurology ... #diagnosis #ophthalmology ... #physicalexam
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Acid → SIADH - High ... #Diagnosis #Algorithm ... #nephrology #sodium
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup - Differential ... Diagnosis Algorithm ... Hypocalcemia #Workup #Differential ... #Diagnosis #Algorithm ... #nephrology #calcium
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Hypernatremia - Differential ... Diagnosis Inadequate ... #Diagnosis #Causes ... #nephrology #sodium ... #high
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Hypercalcemia - Differential ... Diagnosis Algorithm ... Hypercalcemia #Differential ... #Diagnosis #Algorithm ... #Workup #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... Diagnosis Algorithm ... Metabolic #Alkalosis #Differential ... #Diagnosis #Algorithm ... #Nephrology #Causes
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Diagnosis Algorithm ... Treat with a high ... #Diagnosis #Algorithm ... #causes #nephrology