13 results
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH ... - Differential ... Diagnosis Algorithm ... #Differential # ... #Hypothyroid #Hyperthyroid
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
high; in some cases ... uptake; thyroid ... disease course #hypothyroid ... #hyperthyroid # ... differential #diagnosis
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... • Low TSH, normal ... T4 +/- T3 → Primary ... → Radioactive Iodine ... Hyperthyroidism #algorithm
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
• Insomnia Primary ... Diagnosis: • ↓ Low TSH ... • Labs: - ↓ TSH ... hyperthyroidism #causes ... #diagnosis #differential
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism - Differential ... Diagnosis Algorithm ... High/Normal Radioiodine ... #Diagnosis #Algorithm ... endocrinology #causes
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Breast Discharge - Differential ... Diagnosis Algorithm ... • Primary Hypothyroidism ... #Diagnosis #Algorithm ... Endocrinology #Causes
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Diagnosis Algorithm ... Reticulocytosis • Primary ... Anemias (MAHA) - Abnormal ... Cancer • Hypothyroid
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Diagnosis Algorithm ... Elevated PTH (High or normal ... ): • Primary Hyperparathyroidism ... Bone Resorption: Hyperthyroid ... #causes #endocrinology
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
Hypothyroidism - Differential Diagnosis Algorithm
Central Hypothyroidism
 • Isolated TSH Deficiency
 • Panhypopituitarism
Thyroid Hormone Resistance
Iatrogenic
Primary Hypothyroidism
 -
Diagnosis Algorithm ... Hypothyroidism • Isolated TSH ... Resistance Iatrogenic Primary ... • Severe Iodine ... endocrinology #causes