2997 results
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
Differentiation of Causes ... Radionucleotide Uptake ... Reduced uptake ... Focal increased uptake ... #radionuclide #uptake
Causes of Hyperkalemia

Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
Causes of Hyperkalemia ... Hyperkalemia is caused ... excess potassium intake ... increased potassium intake ... rarely the sole cause
Graves Disease - Autoimmune Hyperthyroidism
Epidemiology: Most common cause of hyperthyroidism, Incidence peaks at 30-50
Diagnosis: 
1 )
Epidemiology: Most common cause ... consider radioiodine uptake ... Clinical Presentation ... Methimazole/PTU (take ... Radioactive iodine (take
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Normal Radioiodine Uptake ... Low Radioiodine Uptake ... endocrinology #causes
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
Rouleaux Flow on POCUS ... significantly, it causes ... for underlying cause ... Jugular #IJ #Vein #POCUS ... #vascular #clinical
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
high; in some cases ... radioactive iodine uptake ... by suppressed uptake ... focal increased uptake ... by suppressed uptake
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Decreased GI Uptake ... - Poor dietary intake ... Classification #Causes
Causes of Failure to Thrive
 - Inadequate intake 
 - Inadequate retention 
 - Malabsorption
Causes of Failure ... - Inadequate intake ... FailureToThrive #FTT #Causes
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Causes of Hyperkalemia ... • Increased Intake ... Diagnosis #Algorithm #Causes
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... Inadequate water intake ... Excessive salt intake ... Differential #Diagnosis #Causes