Generic Name: technetium tc 99m tetrofosmin (Injection route)
tek-NEE-shee-um Tc 99m te-troe-FOS-min
Medically reviewed by Drugs.com. Last updated on Jan 24, 2020.
Commonly used brand name(s)
In the U.S.
Available Dosage Forms:
Therapeutic Class: Diagnostic Agent, Radiopharmaceutical Imaging
Uses for Myoview
Technetium Tc 99m tetrofosmin injection is a radiopharmaceutical. Radiopharmaceuticals are radioactive agents, which may be used to find and treat certain diseases or to study the function of the body's organs.
Technetium Tc 99m tetrofosmin injection is used to help your doctor see an image of your heart, to see how well it is working during exercise or resting conditions. It is also used to evaluate patients with possible coronary artery disease or heart failure.
This medicine is to be given only by or under the direct supervision of a doctor with specialized training in nuclear medicine.
Before using Myoview
Appropriate studies have not been performed on the relationship of age to the effects of technetium Tc 99m tetrofosmin injection in the pediatric population. Safety and efficacy have not been established.
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of technetium Tc 99m tetrofosmin injection in the elderly.
Studies in women breastfeeding have demonstrated harmful infant effects. An alternative to this medication should be prescribed or you should stop breastfeeding while using this medicine.
Interactions with medicines
Interactions with food/tobacco/alcohol
Other medical problems
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
- Breathing problems (eg, bronchoconstriction) or
- Hypotension (low blood pressure) or
- Stroke, history of—Use with caution. May make these conditions worse.
Proper use of Myoview
A doctor or other health professional will give you this medicine. This medicine is given through a needle placed in a vein.
You will need to urinate right away and as often as possible after receiving this medicine. Drink plenty of fluids before and after receiving this medicine so you will pass more urine.
Precautions while using Myoview
It is very important that your doctor check you closely while you are receiving this medicine. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to receive it.
This medicine may cause serious allergic reactions, including anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention. Check with your doctor right away if you have a rash, itching, swelling of the face, tongue, and throat, trouble breathing, or chest pain after you get the injection.
You will be exposed to radiation when you are given this medicine. Talk with your doctor if you have concerns about this.
Make sure any doctor or dentist who treats you knows that you are using this medicine. This medicine may affect the results of certain medical tests.
Myoview side effects
Check with your doctor or nurse immediately if any of the following side effects occur:
- Arm, back, or jaw pain
- chest pain or discomfort
- chest tightness or heaviness
- fast or irregular heartbeat
- trouble breathing
- Blurred vision
- dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
- fast, irregular, pounding, or racing heartbeat or pulse
- unusual tiredness or weakness
Incidence not known
- difficulty with swallowing
- hives, itching, or skin rash
- puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
- Abdominal or stomach pain
- change in the sense of smell or taste
- feeling of warmth
- redness of the face, neck, arms, and occasionally, upper chest
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