The Effect of Deep Breathing and Transcutaneus Electrical Nerve Stimulation on Heart Rate Variability

Exclusion Criteria

• •Lacking ability to make or understand informed consent.
• •Medical history with psychiatric or psychological conditions which the person in charge of the research estimates will affect the participants ability to participate in the study.
• •Furthermore participants with severe mental illness will be excluded due to the fact that severe mental illness cause decreased heart rate variability.
• •Pregnancy.
• •Addict or prior addict defined as abuse of hash, opioids or other euphoriant drugs.
• •Known atrial fibrillation or atrial flutter.
• •Known chronic lung disease.