Reflectance pulse oximetry may be used as an alternative to transmissive pulse oximetery described above. This method does not require a thin section of the person's body and is therefore well suited to more universal application such as the feet, forehead and chest, but it also has some limitations.eflectance pulse oximetry may be used as an alternative to transmissive pulse oximetery described above. This method does not require a thin section of the person's body and is therefore well suited to more universal application such as the feet, forehead and chest, but it also has some limitations.
In the United States, about 2â3 million abnormal Pap smear results are found each year. Most abnormal results are mildly abnormal (ASC-US (typically 2â5% of Pap results) or low-grade squamous intraepithelial lesion (LSIL) (about 2% of results)), indicating HPV infection.
It is recommended that all women get a Pap smear done within 3 years of becoming sexually active or by age 21. Pap smears should be done every year for at least 3 years, and if they are all normal, your health care provider may change your Pap smear schedule to every 2-3 years. positive result indicates the presence of abnormal cells. Your physician may also call this an abnormal Pap. Remember that this is a test, not a diagnosis. A positive result does not prove that you have cancer or even dysplasia (a pre-cancerous condition).