7 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Loses - Medications ... - Uncontrolled diabetes ... Differential #Diagnosis #Low ... #Magnesium #Table ... Causes #Workup #hypomg
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Thyrotoxicosis Medications ... Renal Losses ... Non-renal losses ... Diagnosis #Algorithm #nephrology ... #low #potassium
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Correction of diabetic ... (steatorrhea) Renal ... osmotic diuresis - Potassium ... #differential #medications ... #pharmacology #hypomg
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... (Uncontrolled diabetes ... Medications 2. ... diagnosis #causes #potassium ... #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... (Uncontrolled diabetes ... Medications 2. ... diagnosis #causes #potassium ... #high #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Agents Regulating Renal ... Inhibitors of Renal ... Excretion #Diuresis #Nephrology ... #Pharmacology #Medications ... #Table
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Etiology: • Medications ... Elimination (see Table ... STOP offending medications ... acidosis) • Low ... #nephrology #K