12 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... - Hypokalemia ... Diagnosis #Low #Magnesium ... #Table #Classification ... #Causes #Workup
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
failure (acute and chronic ... Hypokalemia ... Chronic progressive ... (with renal insufficiency ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... trauma - Ischemic colonic ... deficiency • Renal insufficiency ... differential #diagnosis #causes ... potassium #high #nephrology
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Framework and Workup ... HCO3 - Renal insufficiency ... normal Type 4: Hyperkalemic ... Surgical drains - Chronic ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... trauma - Ischemic colonic ... deficiency • Renal insufficiency ... differential #diagnosis #causes ... potassium #high #nephrology
Hypermagnesemia - Diagnosis and Management

Hypermagnesemia is a serum magnesium concentration > 2.6 mg/dL.
Symptoms include hyporeflexia, hypotension,
mortality in ICU Causes ... hypocalciuric hypercalcemia ... deficiency, adrenal insufficiency ... helpful in severe cases ... #nephrology
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... Creatinine • Chronic ... ARB • Adrenal insufficiency ... • NSAlDs #Hyperkalemia ... IntercellularShift #Nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... Hypothyroidism, Adrenal Insufficiency ... : Hypovolemia, Hypervolemia ... differential #diagnosis #table ... #sodium #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Weakness, cramping, nausea ... reabsorption) Workup ... only if no clear cause ... Elimination (see Table ... Treatment #potassium #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Hyponatremia • Hypercalcemia ... Kidney stones caused ... cirrhosis, and chronic ... Excretion #Diuresis #Nephrology ... #Medications #Table