4500 results
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
Radionucleotide Uptake ... Reduced uptake ... Focal increased uptake ... #radionuclide #uptake ... #differential #
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism - Differential ... Normal Radioiodine Uptake ... Low Radioiodine Uptake ... #HighThyroid #Differential
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
radioactive iodine uptake ... by suppressed uptake ... focal increased uptake ... by suppressed uptake ... #hyperthyroid #differential
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Free T3 • T3 Uptake ... laboratory #patterns #differential
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Decreased GI Uptake ... - Poor dietary intake ... Hypomagnesemia #Differential
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
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Algorithm Low intake ... • poor oral intake ... #Hypokalemia #Differential
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Hyperkalemia - Differential ... • Increased Intake ... Hyperkalemia #Nephrology #Differential
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Hypernatremia - Differential ... Inadequate water intake ... Excessive salt intake ... Hypernatremia #Differential
Jaundice - Differential Diagnosis Algorithm
Pre-Hepatic - Unconjugated Hyperbilirubinemia
Increased Production
 • Hemolysis
 • Ineffective Erythropoiesis
 • Hematoma
Decreased
Jaundice - Differential ... Decreased Hepatic Uptake ... #Jaundice #Differential