11 results
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Diagnosis Algorithm UOsm ... Cortisol deficiency UOsm ... Primary polydipsia, Low ... hyponatremia #diagnosis #differential ... algorithm #causes #nephrology
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Pathophysiology ... Hyponatremia #Algorithm #Pathophysiology ... #Diagnosis #Differential ... #Nephrology #UOsm
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
• ADH Present (Uosm ... can be high or low ... Primary polydipsia), Low ... #Hyponatremia #differential ... table #sodium #nephrology
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... osmolality > 300 mosm ... nutrition), Azotemia LOW ... Polydipsia #Polyuria #Differential ... Diagnosis #Algorithm #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... mechanism ≤ 600 mOsm ... • Euvolemic (Low ... Hypernatremia #Differential ... Workup #Algorithm #nephrology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
unilateral; • Slow ... response to dark; • Slow ... Young females Differential ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Hypochloremia - Differential ... Decreased Intake: • Low ... Hypochloremia #Differential ... Diagnosis #Algorithm #Pathophysiology ... #Nephrology #Chloride
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... • Mutism Pathophysiology ... ) → Arousal How ... caseyalbin #PhysicalExam ... #neurology #comatose
Tandem Gait Ataxia in Atypical Parkinsonism

How to differentiate Parkinson’s disease from atypical Parkinsonism in a jiffy?
Parkinsonism How ... to differentiate ... clinical #video #physicalexam ... #neurology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
alkalosis • Normal or low ... ratio 0.5%) Differential ... Syndrome #diagnosis #nephrology ... #management #pathophysiology