6 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... Hyperthyroidism → Signs ... 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 ... Pathophysiology: • T4 ... deficiency leads to abnormal ... impairs musde function ... pathophysiology #signs
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 ... clinical symptoms/signs ... urgent referral to secondary ... decision for repeat testing
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 ... pathophysiology #diagnosis #signs