24 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential Diagnosis ... starts by measuring ... K loss • Hypomagnesemia-induced ... algorithm #causes #nephrology ... #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Diagnosis Algorithm ... Extra-renal Losses ... Proximal and distal RTA ... Algorithm #causes #potassium ... #low #nephrology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Diagnosis Poor ... Mineralocorticoid excess - Renal ... - Polyuria - Hypomagnesemia ... #Low #Potassium ... #Table #Classification
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Differential Diagnosis ... Familial: Bartter syndrome ... and Gitelman syndrome ... with secondary, hypocalcemia ... #causes #nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Diagnosis Algorithm ... • Refeeding syndrome ... Losses Non-renal ... #Algorithm #nephrology ... #low #potassium
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... diarrhea / IBD Renal ... Hypercalcemia - Hypokalemia ... #Differential #Diagnosis ... Low #Magnesium #Table
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
(renal potassium ... Hypocalciuria (spot ... , Renal tubular ... acidosis (RTA)) ... #diagnosis #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... suggests extra-renal ... , Distal RTA, DKA ... #diagnosis #Algorithm ... #nephrology #low
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
and hypomagnesemia ... Hypokalemia ... Fanconi syndrome ... #differential #diagnosis ... #nephrology #Causes
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
• Proximal RTA ... • Distal RTA ... #urine #potassium ... differential #algorithm #diagnosis ... #nephrology