6 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... T4 → Possibly Central ... T3 → Central (secondary ... Hyperthyroidism #algorithm ... endocrinology #TFTs #TSH #Interpretation
Hypothyroid Myopathy
Very common (up to 80% ) in patients with hypothyroidism
Pathophysiology:
 • T4 deficiency leads to
Hypothyroid Myopathy ... hypothyroidism Pathophysiology ... : • T4 deficiency ... leads to abnormal ... impairs musde function
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Insufficiency Diagnosis Algorithm ... then go to stim testing ... this indicates normal ... adrenal function ... Insufficiency #Diagnosis #Algorithm
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... tests algorithm ... urgent referral to secondary ... decision for repeat testing ... or referral to secondary
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... Differential Diagnosis Algorithm ... estrogen: • Functional ... (e.g. eating disorder ... Cervical stenosis #Secondary
Anorexia Nervosa: Complications
CARDIAC ABNORMALITIES
 - Functional: Low BP, Sinus bradycardia, prolonged QT interval
 - Structural: Reduced
ABNORMALITIES - Functional ... Enzymes - From fasting ... suppression - Low-Normal ... T3/T4 - Females ... Complications #pathophysiology