22 results
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
output is a clue). 1) ... , Dehydration: neurologic ... water unavailable 2) ... Diabetes Insipidus: neurogenic ... ([Na] / 140) - 1)
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Workup Algorithm ... 1) Check Urine ... renal mechanism 2) ... #nephrology #sodium
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... #Differential # ... Algorithm #Diagnosis ... Causes #Workup #Nephrology
Treatment of hyperkalemia via kaliuresis 
step 1 = volume resuscitation if hypovolemic
step 2 = consider fludrocortisone
step
Treatment of hyperkalemia ... kaliuresis step 1 ... hypovolemic step 2 ... diuretics #diuresis #nephrology ... #algorithm
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... Workup Step #1 ... history Step #2 ... #Sodium #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
- Differential ... Diagnosis Algorithm ... discrete buckets: 1. ... (low intake) 2. ... Causes #workup #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... water retention 1) ... Serum Osmolarity 2) ... #nephrology #sodium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... Diagnosis Algorithm ... acidosis (type 1 ... of 2), Ureterosigmoidostomy ... #causes #nephrology
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
Central or neurogenic ... mutations in AQP-2 ... causes (e.g., hypokalemia ... Treatment is aimed ... #Diagnosis #Differential
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... PHA type l/type 2 ... • Type 1 #Hyperkalemia ... #differential