9 results
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... workup choices ... #Algorithm #Workup ... #Endocrinology
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Low TSH, Low ... • Low TSH, normal ... : Work-up similar ... #algorithm #diagnosis ... #endocrinology
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Approach to the Diagnosis ... and Workup Algorithm ... Graves disease • Low ... Iodine Scan - Low ... #Algorithm #endocrinology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
and Workup Step ... • SIADH • hypothyroidism ... liver failure • nephrotic ... #Workup #Algorithm ... #Nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Algorithm ADH ... Beer Potomania - Low ... • Euvolemic - Hypothyroidism ... liver failure, nephrotic ... #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
acid <4 • SIADH, Hypothyroidism ... failure, Cirrhosis, Nephrotic ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
failure, Cirrhosis, Nephrotic ... Medications (diuretics), Hypothyroidism ... Primary polydipsia, Low ... #diagnosis #sodium ... #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Uosm), Hypothyroidism ... #differential #diagnosis ... #table #sodium ... #nephrology
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Liver Cirrhosis, Nephrotic ... Renal Failure, Hypothyroidism ... #diagnosis #causes ... #nephrology #sodium ... #low