11 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
T4 → Possibly Central ... Low TSH, high T4 ... TSH, high T4 +/ ... #algorithm #diagnosis ... endocrinology #TFTs #TSH #Interpretation
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Thyroid Disease Hyperthyroidism ... high; in some cases ... iodine uptake Hypothyroidism ... disease course #hypothyroid ... #hyperthyroid #
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Differential Diagnosis Algorithm ... Primary Causes ... /uremia TSH & T4 ... : • Hypothyroidism ... #causes
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
Abnormal Lipid Profiles ... Differential Diagnosis Algorithm ... Diabetes • Hypothyroidism ... • Hypothyroid ... #Dyslipidemia #Abnormal
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
/uremia TSH & T4 ... : • Hypothyroidism ... • Hyperthyroidism ... Pruritus #secondary #systemic ... #causes
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Differential Diagnosis Algorithm ... Tumor Increased T4 ... Decreased TSH • Hyperthyroidism ... T4 and TSH • ... #causes #endocrinology
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
Differential Diagnosis Algorithm ... Mislabelled - Repeatedly normal ... (mainly systolic ... hypertension) • Hypothyroidism ... Differential #Diagnosis #Algorithm
Tinnitus - Objective (can be heard/auscultated) - 10% - Differential Diagnosis Algorithm
Vascular - Arterial:
 • Atherosclerosis
Differential Diagnosis Algorithm ... Exacerbation of Systemic ... Blood flow in normal ... Glomus Jugulare • Hyperthyroidism ... #Causes
Causes of Male Infertility - Differential Diagnosis Algorithm
Sperm Transport:
 • Vasectomy
 • Cystic fibrosis gene mutation
Causes of Male Infertility ... Differential Diagnosis Algorithm ... Sperm Motility - Abnormal ... semen analysis: ... hyperprolactinemia, hypothyroidism
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Spastic paresis/paralysis ... injury • Gait is abnormal ... Non-compressive Spinal Cord Causes ... , Scleroderma, Systemic ... differential #algorithm