15 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... deficiency, Salt-losing ... Hypervolemia, ... : • Acute or chronic ... #Causes #nephrology
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... - Reduced Excretion ... Creatinine • Chronic ... IntercellularShift #Nephrology ... #Causes
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... alkalosis • Normal/low ... the indicated causes ... of sodium and potassium ... #nephrology #differential
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... : Hypovolemia, Hypervolemia ... differential #diagnosis #table ... #sodium #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Clenching of fist during ... trauma - Ischemic colonic ... Impaired Renal Excretion ... differential #diagnosis #causes ... potassium #high #nephrology
Hypokalemia Diagnostic Algorithm
To assess potassium excretion: perform 24-hour urine collection or alternatively obtain potassium-to-creatinine ratio on
Algorithm To assess ... potassium excretion ... Check The TTKG: During ... #Algorithm #TTKG ... #nephrology #low
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Clenching of fist during ... trauma - Ischemic colonic ... Impaired Renal Excretion ... differential #diagnosis #causes ... potassium #high #nephrology
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
polydipsia • Hypervolemia ... Nephrotic Syndrome, Chronic ... #diagnosis #causes ... #nephrology #sodium ... #low
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Torsemide) • Acute pulmonary ... Hyponatremia • Hypercalcemia ... Kidney stones caused ... #Diuresis #Nephrology ... #Medications #Table
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
• ↓ Renal K+ Excretion ... only if no clear cause ... Elimination (see Table ... acidosis) • Low ... Treatment #potassium #nephrology