German security forces have arrested a woman involved in falsifying documents that would allow her to work as an anesthesiologist for four deaths after it turned out she had been in the profession for two years without real scientific qualifications.

The Independent newspaper said the investigation into the 48-year-old woman, who was not identified, was underway on suspicion of wrongful murder, assault, falsification of documents, fraud and abuse of the job.

The arrested woman is being investigated for links to other deaths along with the last four deaths, the paper said, adding that the woman is likely to have made many mistakes, including giving patients the wrong medication and doses, and failing to pay attention to the moments he was Her patients have breathing difficulties.

The heads of women are being investigated for negligence while the local police have set up a hotline to collect more information from former patients about their behavior.

Eugene Brech, president of the German Patient Protection Foundation, says it is very easy for fraudsters to infiltrate the current system, stressing the urgent need for repairs.``It's time to centrally archive medical licenses and establish a body that requires hospital operators to answer a series of queries. ''