9 results
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... Renin secreting tumor ... Liddle syndrome Low-normal ... • Distal RTA Low-normal ... #potassium #differential
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Renin-secreting tumor ... Hyperplasia • Normal ... Al, Normal R - ... Diagnosis #Algorithm #nephrology ... #causes #low #potassium
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
A urine K/Cr ratio ... • Diarrhea A urine ... Renin secreting tumor ... /Normal Blood Pressure ... #nephrology #low
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Extra-renal Losses: • Normal ... Acid-Base: Low ... Renin secreting tumor ... Algorithm #causes #potassium ... #low #nephrology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
reexposed to light; • Normal ... Ill Palsy - abnormal ... trauma/orbital tumor ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
leukemia Measure Urine ... bone syndrome, Tumor ... Renal Losses: • Normal ... Estrogen based Rx • Normal ... ADHR, XLHR - Normal
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal ... /low blood pressure ... mineralocorticoid-like effect Normal ... salicylate poisoning Normal ... In a normal gap
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Vestibulo-ocular ... etiology of coma Abnormal ... movements; also normal ... flexion withdrawal, abnormal ... decortication), abnormal
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Metabolic alkalosis • Normal ... or low blood pressure ... Hypokalemia (renal potassium ... Hypocalciuria (spot urine ... Supplement: • Potassium