28 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Low TSH, Low ... • Low TSH, normal ... • Low TSH, high ... T4 +/- T3 → Primary ... #algorithm #diagnosis
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Thyroid Disease Hyperthyroidism ... high; in some cases ... disease course #hypothyroid ... #hyperthyroid # ... differential #diagnosis
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
PTH (High or normal ... ): • Primary Hyperparathyroidism ... Hypercalcemia Low ... Bone Resorption: Hyperthyroid ... #Algorithm #causes
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
Abnormal Lipid Profiles ... Diabetes • Hypothyroidism ... Deficiency • Primary ... • Hypothyroid ... #Algorithm #Causes
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Algorithm High ... / Low TSH • Pituitary ... + High TSH • Primary ... Hypothyroidism ... #Causes
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Reticulocytosis • Primary ... Anemias (MAHA) - Abnormal ... Cancer • Hypothyroid ... #Algorithm #Causes
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
- Differential Diagnosis ... Algorithm Primary ... Mislabelled - Repeatedly normal ... #Differential #Diagnosis ... #Algorithm #causes
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism ... Algorithm High ... /Normal Radioiodine ... Trophoblastic Neoplasm Low ... #causes
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
Causes of Primary ... - Differential Diagnosis ... Algorithm Primary ... • Ovarian - Normal ... #Algorithm #Causes
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
• Insomnia Primary ... Diagnosis: ... • ↓ Low TSH • ... Size Thyroid Storm ... #causes #diagnosis