No. If you are considering hair loss as the result of high levels of radiation dose, nuclear medicine scans don't give anywhere near enough radiation to cause that. In fact, most common nuclear medicine scans deliver less radiation than a CT scan.

used as diagnosing tool for iv injections as for ct scans, mri and diagnosing of heart disease

It is used in medical scans it helps cancer victims by using nuclear radiation

Common procedures performed in diagnostic imaging include X-rays, CT scans, MRI scans, ultrasound, and nuclear medicine scans. These tests are used to help diagnose and monitor various medical conditions by providing detailed images of the body's internal structures.

This test is used almost exclusively to differentiate infection in the testis (testicle) from twisting and infarction.