12 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
• Low TSH, Low normal ... . unlikely subclinical ... T4 +/- T3 → Subclinical ... high T4 +/- T3 → Primary ... #algorithm #diagnosis
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... Hormonal changes • Hypothyroidism ... suppression • Primary ... #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... Hormonal changes • Hypothyroidism ... suppression • Primary ... #Causes
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
Differential Diagnosis Algorithm ... Mislabelled - Repeatedly normal ... aldosteronism) • Hyperthyroidism ... hypertension) • Hypothyroidism ... Differential #Diagnosis #Algorithm
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... Diagnosis Algorithm ... treat underlying cause ... Solute Intake - Primary ... CKD, Thiazides, Hypothyroidism
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... Endocrinopathies - Hypothyroidism ... renal failure - Primary ... Differential #Diagnosis #Table ... #Causes #Sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... volume-based algorithm ... or low Uosm), Hypothyroidism ... water intake (Primary ... differential #diagnosis #table
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
Abnormal Lipid Profiles ... Differential Diagnosis Algorithm ... Diabetes • Hypothyroidism ... Deficiency • Primary ... #Dyslipidemia #Abnormal
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Differential Diagnosis Algorithm ... + High TSH • Primary ... Hypothyroidism ... Differential #Diagnosis #Algorithm ... Endocrinology #Causes
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Chronic Disease Normal ... Liver Disease • Hypothyroidism ... #Anemia #MCV #Classification ... #Causes #Hematology