9 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... normal T4 → Possibly ... , high T4 +/- T3 ... #algorithm #diagnosis ... #Interpretation
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Thyroid Disease Hyperthyroidism ... ; in some cases, ... disease course #hypothyroid ... #hyperthyroid # ... differential #diagnosis
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Diagnosis Algorithm ... Primary Causes ... Mellitus Liver Function ... failure/uremia TSH ... & T4: • Hypothyroidism
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Mellitus Liver Function ... failure/uremia TSH ... & T4: • Hypothyroidism ... Pruritus #secondary #systemic ... #causes
Amenorrhea - Differential Diagnosis Algorithm
Elevated FSH
 • Premature Ovarian Failure
 • Menopa use
 • Spontaneous
Bleed With
Amenorrhea - Differential ... Diagnosis Algorithm ... Elevated FSH ... • Hyperthyroidism ... Challenge • Functional
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Gynecomastia - Differential ... Diagnosis Algorithm ... , Decreased TSH ... • Hyperthyroidism ... #causes #endocrinology
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... Amenorrhea - Differential ... Diagnosis Algorithm ... estrogen: • Functional ... compression) • Hypothyroidism
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Causes of Primary ... Diagnosis Algorithm ... Etiology - High FSH ... Hypothalamic: • Functional ... Hyperprolactinemia • Hypothyroidism
Causes of Female Infertility - Differential Diagnosis Algorithm
Uterus - HSG or SHG or hysteroscopy:
 • Fibroids/polyps
Causes of Female ... Infertility - Differential ... Diagnosis Algorithm ... /psychosis • Systemic ... Hypopituitarism: • Hypothyroidism