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Concept
Non-invasive procedure
Résumé
A medical procedure is defined as non-invasive when no break in the skin is created and there is no contact with the mucosa, or skin break, or internal body cavity beyond a natural or artificial body orifice. For example, deep palpation and percussion are non-invasive but a rectal examination is invasive. Likewise, examination of the ear-drum or inside the nose or a wound dressing change all fall outside the definition of non-invasive procedure. There are many non-invasive procedures, ranging from simple observation, to specialised forms of surgery, such as radiosurgery. Extracorporeal shock wave lithotripsy is a non-invasive treatment of stones in the kidney, gallbladder or liver, using an acoustic pulse. For centuries, physicians have employed many simple non-invasive methods based on physical parameters in order to assess body function in health and disease (physical examination and inspection), such as pulse-taking, the auscultation of heart sounds and lung sounds (using the stethoscope), temperature examination (using thermometers), respiratory examination, peripheral vascular examination, oral examination, abdominal examination, external percussion and palpation, blood pressure measurement (using the sphygmomanometer), change in body volumes (using plethysmograph), audiometry, eye examination, and many others.
Bioluminescence imaging
Dermatoscopy
Diffuse optical tomography
Gamma camera
Computed tomography
Infrared imaging of the body
Magnetic resonance elastography
Magnetic resonance imaging
Magnetic resonance spectroscopy
Optical coherence tomography
Posturography
Radiography, fluoroscopy
Ultrasonography and echocardiography
Electrocardiography
Electroencephalography
Electromyography
Photoplethysmograph
Electrical impedance tomography
Electroneuronography
Electroretinography
Electronystagmography
Magnetoencephalography
Evoked potentials
Impedance phlebography
Nuclear magnetic resonance
Epidermal radioisotope therapy
Radiation therapy
Brachytherapy
Lithotripsy
Defibrillation
Biofeedback
Oxygen therapy
Non-
Source officielle
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