28 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Low TSH, Low ... • Low TSH, normal ... T4 +/- T3 → Primary ... → Radioactive Iodine ... #algorithm #diagnosis
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
- Differential ... Diagnosis Algorithm ... Mislabelled - Repeatedly normal ... Pills • Cocaine ... #Diagnosis #Algorithm
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Thyroid Disease Hyperthyroidism ... high; in some cases ... uptake Hypothyroidism ... • Infantile hypothyroidism ... #hyperthyroid #differential
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Diagnosis Algorithm ... / Low TSH • Pituitary ... + High TSH • Primary ... Hypothyroidism ... Endocrinology #Causes
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism ... Algorithm High ... /Normal Radioiodine ... Trophoblastic Neoplasm Low ... endocrinology #causes
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
Abnormal Lipid Profiles ... - Differential ... Diagnosis Algorithm ... Diabetes • Hypothyroidism ... Deficiency • Primary
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
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Hyperthyroidism ... • Insomnia Primary ... Diagnosis: • ↓ Low ... #causes #diagnosis ... #differential #
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Extra-renal Losses: • Normal ... secreting tumor, Primary ... #causes #potassium
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Diagnosis Algorithm ... Elevated PTH (High or normal ... ): • Primary Hyperparathyroidism ... Hypercalcemia Low ... #causes #endocrinology