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.
Abnormal Pap Smears And HPV. 1  Abnormal Pap Smears are typically caused by strains of the Human Papilloma Virus, HPV. 2  An abnormal pap smear result does not mean you have cervical cancer. 3  High risk strains can cause more serious cellular changes.  Typically, both high and low risk strains of HPV go away within 24 months.