22 results
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
TSH low; free T4 ... high; in some cases ... TSH low; free T4 ... disease course #hypothyroid ... #hyperthyroid #
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
(low TSH, High T4 ... ) - Diagnostic Algorithm ... Hyperthyroidism #Hyperthyroid ... #Diagnosis #Algorithm
Hypothyroid Myopathy
Very common (up to 80% ) in patients with hypothyroidism
Pathophysiology:
 • T4 deficiency leads to
Hypothyroid Myopathy ... hypothyroidism Pathophysiology ... : • T4 deficiency ... Rhabdomyolysis (rare) #Hypothyroid ... #Myopathy #pathophysiology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis Algorithm ... Bone Resorption: Hyperthyroid ... Differential #Diagnosis #Algorithm ... #causes #endocrinology
Causes of Generalized Edema - Differential Diagnosis Algorithm
Overfill (Increased renal sodium retention, Urine Na > 40meq/L)
Causes of Generalized ... Differential Diagnosis Algorithm ... • Myxedema (Hypothyroid ... Differential #Diagnosis #Algorithm ... #Causes
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
Differential Diagnosis Algorithm ... - Secondary Causes ... HDL - Genetic Causes ... • Hypothyroid ... Differential #Diagnosis #Algorithm
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
Shock - Pathophysiology ... Shock #Shock #Pathophysiology ... differential #diagnosis #algorithm ... #causes
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Differential Diagnosis Algorithm ... Tumor Increased T4 ... Tumor Normal T4 ... Differential #Diagnosis #Algorithm ... #causes #endocrinology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Differential Diagnosis Algorithm ... Systemic and Primary Causes ... /uremia TSH & T4 ... Differential #Diagnosis #Algorithm ... #causes
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Differential Diagnosis Algorithm ... Cancer • Hypothyroid ... Differential #Diagnosis #Algorithm ... #Causes #Hematology