13 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
• Metabolic acidosis ... • HTN, High Aldosterone ... Diagnosis #Algorithm #causes ... #potassium #low ... #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... urinary losses: • High ... consumption • Low ... - Metabolic acidosis ... #nephrology #low
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... , Gitelman syndrome ... the indicated causes ... of sodium and potassium ... urine #Algorithm #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Tumor lysis syndrome ... - Metabolic acidosis ... Impaired Renal Excretion ... #potassium #high ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Tumor lysis syndrome ... - Metabolic acidosis ... Impaired Renal Excretion ... #potassium #high ... #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Regulating Renal Excretion ... Loop Diuretics; High-Ceiling ... Kidney stones caused ... Diuretics #Renal #Excretion ... #Diuresis #Nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Excretion: ... delivery): CHF, cirrhosis ... ) • Low K diet ... Management #Treatment #potassium ... #nephrology #K
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... intake: Alcoholism (cirrhosis ... osmotic diuresis, Potassium ... differential #diagnosis #nephrology ... #magnesium #low
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
130 mEq/L • Potassium ... trial • Minimal K ... densa receives high ... volume and sodium excretion ... • Saline May Cause
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
algorithm Urine Na+K ... diuresis can be high ... Heart failure, Cirrhosis ... , Nephrotic syndrome ... table #sodium #nephrology