13 results
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
A urine K/Cr ratio ... Laxative use • Diarrhea ... A urine K/Cr ratio ... diagnosis #Algorithm #differential ... #low
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 ... Gastrointestinal loss: Diarrhea ... effective arterial blood ... #urine #potassium ... #differential #
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... NG drainage - Diarrhea ... Diagnosis #Low # ... Potassium #Table ... #Classification
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... intake • Metabolic ... Gl tract loss (Diarrhea ... #Differential # ... Algorithm #causes #potassium
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Congenital chloride diarrhea ... alkalosis • Normal/low ... blood pressure: ... of sodium and potassium ... Algorithm #nephrology #differential
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
alkalosis • Normal or low ... blood pressure ... Hypocalciuria (spot urine ... ratio 0.5%) Differential ... Congenital chloride diarrhea
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Metabolic alkalosis ... Gastrointestinal loss (diarrhea ... #Differential # ... Diagnosis #Low # ... Potassium #Classification
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Heat stroke - Metabolic ... Weakness - Dark urine ... UA positive for blood ... Monitor potassium
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
130 mEq/L • Potassium ... development of metabolic ... Is Dangerous in Hyperkalemia ... flow and renal ... Decreased GFR, urine
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
flank pain, dark urine ... cutaneous eruptions, diarrhea ... , Hyperkalemia: ... potassium from ... Hypothermia: Due to low