16 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Repeat the sodium ... HYPOVOLEMIC • extra-renal ... - fevers • renal ... nephrotic syndrome • renal ... #Nephrology
Renal Tubular Acidosis - Diagnosis Algorithm
 • Hyperkalemic Type 4 RTA
 • Hypokalemic Type 1 RTA
Renal Tubular Acidosis ... - Diagnosis Algorithm ... RTA • RTA of renal ... Type 2 RTA #RTA #Renal ... #Algorithm #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential Diagnosis ... Algorithm Syndrome ... GI losses • Renal ... Hypothyroidism • Adrenal ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential Diagnosis ... Algorithm Syndrome ... GI losses • Renal ... Hypothyroidism • Adrenal ... #Hyponatremia #Nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Algorithm ADH ... • Renal Failure ... Hypovolemic - GI losses, renal ... insufficiency, ... #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential Diagnosis ... Algorithm - Utilizing ... Osmolarity 3) Urine Sodium ... High Uric Acid → renal ... #Algorithm #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
≥100): SIADH, Renal ... Insufficiency, ... Present (Uosm <100): Renal ... Hypervolemia with poor renal ... #nephrology
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Lung cancer • Renal ... PRA • ↓ Serum sodium ... Serum DHEAS Diagnosis ... addisons #disease #endocrinology ... #diagnosis #signs
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
- Differential Diagnosis ... Algorithm Primary ... Renal Failure, Post-Renal ... Insufficiency ... #Algorithm #Endocrinology
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Algorithm UOsm ... solute intake, Renal ... insufficiency ... #causes #nephrology