11 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
normal T4 → Possibly ... • Low TSH, normal ... Scan • High or normal ... #algorithm #diagnosis ... #Interpretation
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Laboratory Evaluation ... Thyroid Disease Hyperthyroidism ... iodine uptake Hypothyroidism ... positive • Ablative hypothyroidism ... • Infantile hypothyroidism
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism ... Differential Diagnosis Algorithm ... High/Normal Radioiodine ... Struma Ovarii #Hyperthyroidism ... Differential #Diagnosis #Algorithm
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH ... Differential Diagnosis Algorithm ... • Hypothyroidism ... • Sub-clinical Hypothyroidism ... Differential #Diagnosis #Algorithm
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Differential Diagnosis Algorithm ... High Prolactin + Normal ... High Prolactin + Normal ... • Primary Hypothyroidism ... Differential #Diagnosis #Algorithm
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Differential Diagnosis Algorithm ... T4, Decreased TSH ... • Hyperthyroidism ... Germ Cell Tumor Normal ... T4 and TSH
Normal Thromboelastogram - Specific parameters represent the 3 phases of the cell-based model of haemostasis: initiation,
Normal Thromboelastogram ... #Coagulation #Thromboelastogram ... #TEG #Normal #Interpretation ... #Laboratory
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Differential Diagnosis Algorithm ... menstruating Ovarian - Normal ... progesterone challenge, normal ... compression) • Hypothyroidism ... Differential #Diagnosis #Algorithm
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
• Endocrine: Hypothyroidism ... • Drugs: Oral ... fungi Initial Laboratory ... Tests: • TSH ... • RPR • Laboratory
Causes of Female Infertility - Differential Diagnosis Algorithm
Uterus - HSG or SHG or hysteroscopy:
 • Fibroids/polyps
Differential Diagnosis Algorithm ... Congenital Anomalies Normal ... FSH: • Polycystic ... Hypopituitarism: • Hypothyroidism ... Differential #Diagnosis #Algorithm