23 results
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
of Patients for Thyroid ... 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
Elevated PTH (High or normal ... ): • Primary Hyperparathyroidism ... Hypercalcemia Low ... Bone Resorption: Hyperthyroid ... #causes #endocrinology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Volume (MCV) - Differential ... Diagnosis Algorithm ... Reticulocytosis • Primary ... Cancer • Hypothyroid
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... TSH, Low normal ... • Low TSH, normal ... T4 +/- T3 → Primary ... Hyperthyroidism #algorithm
Secondary causes of Hypertension
 • Medications, Drugs, Chemo: NSAIDS, Steroids, CNI, Alcohol, Cocaine, OCP, Licorice, MAOI,
CNI, Alcohol, Cocaine ... Hyperaldosternism (low ... : Thyroid disease ... tumor • Other low ... #Hypertension #differential
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
Abnormal Lipid Profiles ... - Differential ... Diagnosis Algorithm ... Deficiency • Primary ... • Hypothyroid
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism - Differential ... Diagnosis Algorithm ... High/Normal Radioiodine ... Trophoblastic Neoplasm Low ... endocrinology #causes
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
Causes of Primary ... Secondary Amenorrhea - Differential ... Diagnosis Algorithm ... • Ovarian - Normal ... #Causes #OBGyn
Hypocalcemia - Differential Diagnosis Algorithm
 • Low Serum Mg: GI losses, Renal losses, Alcoholism, Malnutrition, Drug-Induced
Hypocalcemia - Differential ... Diagnosis Algorithm ... Inappropriately Normal ... parathyroid glands (i.e. thyroid ... #causes
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
• Insomnia Primary ... Toxicosis • Iodine ... Diagnosis: • ↓ Low ... hyperthyroidism #causes ... #diagnosis #differential