63 results
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
Radionucleotide Uptake ... Reduced uptake ... Focal increased uptake ... #differential # ... hyperthyroidism #endocrinology
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Free T3 • T3 Uptake ... Interpretation #endocrinology ... laboratory #patterns #differential
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism - Differential ... Normal Radioiodine Uptake ... Low Radioiodine Uptake ... #HighThyroid #Differential ... Diagnosis #Algorithm #endocrinology
Causes of Hypercalcemia - Differential Diagnosis Algorithm
 • Primary Hyperparathyroidism 
 • Possible Familial Hypocalciuric Hypercalcemia
Hypercalcemia - Differential ... • Vitamin D Intake ... Hypercalcemia #Differential ... Algorithm #Causes #endocrinology
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Hyperthyroidism - Differential ... Iodine Scan - High Uptake ... Iodine Scan - Low Uptake ... Hyperthyroidism #Differential ... Diagnosis #Algorithm #endocrinology
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
by suppressed uptake ... focal increased uptake ... by suppressed uptake ... #hyperthyroid #differential ... #diagnosis #endocrinology
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Hyperkalemia - Differential ... • Increased Intake ... #Hyperkalemia #Nephrology ... #Differential #
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Excess Vitamin D Intake ... Hypercalcemia #Differential ... Algorithm #causes #endocrinology
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia - Differential ... Diuretics Decreased Intake ... Alcoholism Decreased Intake ... #LowPhosphate #Differential ... Diagnosis #Algorithm #endocrinology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Breast Discharge - Differential ... Steroid Hormone Intake ... Breast #Discharge #Differential ... Diagnosis #Algorithm #Endocrinology