11 results
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... shift: Hypokalemic periodic ... ↓ Aldosterone: Cushing ... #urine #potassium ... algorithm #diagnosis #nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... • Hypokalemic periodic ... K intake (anorexia ... Diagnosis #Algorithm #nephrology ... #low #potassium
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... wasting from other causes ... suggests extra-renal causes ... consumption • Low ... #nephrology #low
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Carbenoxolone, SAME, Cushing ... Diagnosis #Algorithm #causes ... #potassium #low ... #nephrology
Thyrotoxic Periodic Paralysis - Illness Script
 • Epidemiology: Asian men age 20-30 with hyperthyroidism of any
Thyrotoxic Periodic ... hypersensitization of the Na-K ... hormone • Symptoms/signs ... Labs/lmaging: Hypokalemia ... +/- low TSH with
Hypokalemia Diagnostic Algorithm
To assess potassium excretion: perform 24-hour urine collection or alternatively obtain potassium-to-creatinine ratio on
(K⁺ <3.5 mEq/L) ... be <3; greater values ... suggest renal K ... Algorithm #TTKG #nephrology ... #low #potassium
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Pathophysiology 1) Na/K ... Pump - Digoxin works ... intracellular calcium causes ... , in states of hypokalemia ... (or low potassium
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Causes of Hypokalemia ... Thyrotoxic periodic ... stimulation of Na*/K+ ... inhibition of "leak" K* ... #Causes
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
octreotide), hyperK periodic ... reabsorption) Workup ... acidosis) • Low ... Management #Treatment #potassium ... #nephrology #K
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
urine Na/Cl > 1.6, low ... Tubulopathy: urine K/ ... correcting serum potassium ... continued in most cases ... differential #algorithm #nephrology