Can I drink coffee before thyroid scan?

Can I drink coffee before thyroid scan?

TEST PREPARATION NO CAFFEINE FOR 24 HOURS prior to testing. This includes: Coffee, pop/soda, chocolate, cold medications, etc. ANY product that might contain caffeine. Nothing to eat or drink 4 -6 hours prior to your appointment time.

Can you eat or drink before a thyroid uptake scan?

Please be sure not to eat or drink anything 2 hours prior to your first appointment (you will also need to refrain from eating or drinking for 2 hours following your appointment—see below for further exam preparation details). You will then return to the department at the same time on the following day for imaging.

How do you prepare for radioactive iodine uptake test?

Follow your doctor’s instructions about not eating before the test. Your doctor may ask you to eat a low-iodine diet. For an RAIU, you will swallow a dose of radioactive iodine. Iodine can be taken as a capsule or a fluid 4 to 24 hours before the test.

Can I drink water before a thyroid uptake scan?

Day of Scan Do not eat for 2 hours before your appointment. You may drink water.

How do I prepare for a thyroid uptake scan?

Before Your Exam Avoid eating sushi, seaweed, kelp products or seafood one week before exam. You must discontinue thyroid hormones for 6 weeks before your exam. If your doctor gave you an order, please bring it with you. We want to make your waiting time as pleasant as possible.

What is 24 hour thyroid uptake?

Another uptake is usually done 24 hours later. During the uptake, you lie on your back on a table. A device called a gamma probe is moved back and forth over the area of your neck where the thyroid gland is located. The probe detects the location and intensity of the rays given off by the radioactive material.

What is a normal thyroid uptake percentage?

Normal and Critical Findings The normal values of thyroid uptake of radiotracer are 3 to 16% at 6 hours and 8 to 25% at 24 hours. These values may change according to laboratory standard techniques or patient dietary habits. The thyroid gland can uptake more or less than normal.

What level is classed as overactive thyroid?

Your thyroid hormone levels will be compared to what’s normal for a healthy person of your age. A low level of TSH and high levels of T3 and/or T4 usually means you have an overactive thyroid. Doctors may refer to these measurements as “free” T3 and T4 (FT3 and FT4).

How do you know if your thyroid medication is too high?

Getting too much thyroid hormone may cause symptoms that mimic having an overactive thyroid (hyperthyroidism). You could experience: Heart palpitations or a faster heart rate, even at rest. Trouble falling asleep.

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