The investigators want to investigate the effect of anaesthesia, on the ability to maintain upright posture immediately after surgery in mamma cancer patients.

The investigators hypothesis is, that a standard anaesthesia does not effect the ability to maintain upright posture right after surgery.

It is known, that patients undergoing major surgery have problems maintaining upright posture after major surgery. This can be due to fall in bloodpressure, with symptoms like dizziness, nausea/vomiting and fainting.

With this investigation, we want to prove that anaesthesia is not the decisive factor, in patients ability to maintain upright posture after surgery.

Inclusion Criteria:

• Patients having performed elective breast surgery
• Age between 18 and 70 years
• Patients who have given written consent to participate in the project after haven completely understood the contents and limitations of the protocol

Exclusion Criteria:

• Patients who do not understand or speak Danish
• Patients who have not signed the informed consent or the written authority pre-medication, except 1g paracetamol
• ASA > II
• Pregnant or breastfeeding
• Known to have Renal disease
• Known to have Psychiatric disorder (not considering the use of SSRI antidepressive)
• Need for crash induction or prone position
• Oesophageal varicoses
• Necrosis or cancer in: Mouth, Pharynx, Larynx or Oesophagus
• Coarctation or aneurism in the proximal Aorta
• Severe bleeding disease

Mammasurgery patients