12 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Syndrome of Inappropriate ... • Reduced GFR, AKI ... #Hyponatremia #Nephrology ... #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Syndrome of Inappropriate ... • Reduced GFR, AKI ... #Hyponatremia #Nephrology ... #Causes
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... Hypothyroidism, Adrenal Insufficiency ... Cirrhosis, Nephrotic syndrome ... #nephrology
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
Causes of Adrenal ... Insufficiency - ... Polyglandular Autoimmune Syndrome ... #AI #Differential ... #Causes #endocrinology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Cirrhosis, Nephrotic syndrome ... Hypothyroidism, Adrenal insufficiency ... Primary polydipsia, Low ... #diagnosis #sodium ... #nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Differential Diagnosis Algorithm ... Tea and Toast Syndrome ... Beer Potomania - Low ... Hypothyroidism, adrenal insufficiency ... #causes #nephrology
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Adrenal Insufficiency ... Diagnosis Algorithm ... unclear (often the case ... - Low = secondary ... Stimulation #Test #Endocrinology
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
aldosterone Causes ... PRA • ↓ Serum sodium ... • Weakness • Low-grade ... ACTH • ↓ Serum sodium ... addisons #disease #endocrinology
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
: Most Common Cause ... Adrenalitis Other causes ... Hyperpigmentation is absent (low ... hypophysitis, Sheehan's syndrome ... Diagnosis #Management #Endocrinology
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... renal failure • AKI ... ARB • Adrenal insufficiency ... IntercellularShift #Nephrology ... #Causes