9 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... NG drainage - Diarrhea ... Diagnosis #Low # ... Potassium #Table ... #Classification
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
(K) & magnesium( ... A urine K/Cr ratio ... Laxative use • Diarrhea ... diagnosis #Algorithm #differential ... #low
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... the basis of the potassium-to-creatinine ... Gastrointestinal loss: Diarrhea ... #urine #potassium ... #differential #
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... Hypomagnesemia #Differential ... #Diagnosis #Low ... #Magnesium #Table ... #Classification
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
- Differential ... isolation) GI loss - Urine ... <20mmol/d • Diarrhea ... Gittelman's syndrome • Magnesium ... #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 ... Hypocalciuria (spot urine ... ratio 0.5%) Differential ... Congenital chloride diarrhea ... • Magnesium
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Gastrointestinal loss (diarrhea ... Magnesium deficiency ... #Differential # ... Diagnosis #Low # ... Potassium #Classification
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
flank pain, dark urine ... cutaneous eruptions, diarrhea ... , Hyperkalemia: ... products contain potassium ... Hypothermia: Due to low
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
flank pain, dark urine ... cutaneous eruptions, diarrhea ... , Hyperkalemia: ... products contain potassium ... Hypothermia: Due to low