What is a PET Scan ??

Positron emission tomography ( PET ) is an imaging technique that
measures the blood flow, absorption and chemical composition with
the help of radioactive substances. PET scans are mostly done to
detect cancer, brain disorder or any heart disease.

How is a PET scan done ??

The technician will give you a dose of intravenous ( IV ) injection with
a safe amount of radioactive drug, it is called a radiotracer. The
healthy cells in your body absorb less amount of radiotracer, while the
diseased cells absorb it in huge amounts. The scanner detects such
tissues and they are highlighted with different colors and dots in the
image.

Why do we take PET scans ??

To detect :
● Heart attack or other heart Problems
● Brain cancer
● Breast cancer
● Lung cancer
● Brain disorder
● Dementia

Risks of PET scan :
Even though there is exposure to radiation the risks are minimal, as
the radioactive drug which is given to you is glucose + radioactive
component. One must not take more than 3 PET scans or it may harm
you. Radiation is not at all safe for a pregnant woman, or if you think
you might be pregnant, then also you should not go for a PET scan.
People with kidney disease, asthma, heart disease, dehydration may
have an allergic reaction to PET scan because of the iodine tracer (
radioactive substance ).

How to prepare for a PET scan ??

To detect :
● Heart attack or other heart Problems
● Brain cancer
● Breast cancer
● Lung cancer
● Brain disorder
● Dementia

Risks of PET scan :
Even though there is exposure to radiation the risks are minimal, as
the radioactive drug which is given to you is glucose + radioactive
component. One must not take more than 3 PET scans or it may harm
you. Radiation is not at all safe for a pregnant woman, or if you think
you might be pregnant, then also you should not go for a PET scan.
People with kidney disease, asthma, heart disease, dehydration may
have an allergic reaction to PET scan because of the iodine tracer (
radioactive substance ).

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