61 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... gastrointestinal K loss • Renal ... • Renal tubular ... Ureterosigmoidostomy, Diabetic ... #nephrology #potassium
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
algorithm Decreased renal ... excretion • Acute renal ... failure • Chronic renal ... • Drugs • Diabetic ... #potassium #differential
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Hypernatremia - Differential ... - Various renal ... diseases (e.g. renal ... #Diagnosis #Table ... #Causes
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
inhibitors Other causes ... cell disease - Renal ... Low Renin - Diabetes ... Algorithm #diagnosis #differential ... #causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
diarrhea / IBD Renal ... - Uncontrolled diabetes ... - Transient renal ... - Familial renal ... Low #Magnesium #Table
Causes of Hypermagnesemia
Increased magnesium load
 - Magnesium-containing laxatives, antacids, or enemas
 - Treatment of pre-edampsia/eclampsia (mothers
Causes of Hypermagnesemia ... neonates) - Diabetic ... Rhabdomyolysis Increased renal ... hypocalciuric hypercalcemia ... #diagnosis #differential
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
3 months Pre-Renal ... Atheroemboli • Renal ... hypoperfusion Post-Renal ... Proteinuria) • Diabetes ... KidneyDisease #Nephrology
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Diagnosis Renal ... hypomagnesemia Renal ... pentamidine), Hypercalcemia ... , Post renal transplant ... #nephrology #magnesium
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... Hypercalcemia ... Pseudohyperparathyroidism, Renal ... #Causes #differential ... calcium #high #endocrinology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... breast, lung, renal ... , adrenal, prostate ... lung cancer • Renal ... #Causes #endocrinology