31 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Diagnosis Algorithm ... anemia) • G-CSF ... losses (NG suction, diarrhea ... #nephrology #low ... #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Gl tract loss (Diarrhea ... #causes #potassium ... #low #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Acidosis - RTA - Diarrhea ... #Algorithm #Diagnosis ... #Causes #Workup ... #Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... Laxative use • Diarrhea ... #Hypokalemia #diagnosis ... #Algorithm #differential ... #potassium #nephrology
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... biliary fistula - Diarrhea ... osmotic diuresis - Potassium ... #diagnosis #differential ... medications #drugs #pharmacology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... 3 questions to work ... the underlying cause ... include vaptans (HF ... #Diagnosis #Treatment
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Diagnosis Framework ... Food - Avoid in CRF ... #diagnosis #causes ... #nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... biliary fistula, Diarrhea ... osmotic diuresis, Potassium ... #differential # ... diagnosis #nephrology
Refeeding Syndrome Overview

What Is It?
	• Electrolyte/fluid shifts caused by initiation of nutrition in severely malnourished patient.
decompensation (CHF ... Palpitations • Diarrhea ... hyperparathyroidism Treatment ... Syndrome #Nutrition #Differential ... #Diagnosis #Pathophysiology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Diarrhea B. ... Potassium-sparing ... Metabolic #Acidosis #differential ... #diagnosis #causes ... #nephrology