amniocentesis
angiography
aortography
arterial blood gas analysis
arteriography
arthroscope

biopsy
blood pressure
blood tests
bone scan
bronchoscopy

cardiac CT
cardiac MRI
carotid ultrasound
chest CT scan
chest X-ray
chorionic villus sampling
colonoscopy
computed tomography (CT) scanning
contrast medium
coronary angiography
coronary calcium scan
cytoscopy

echocardiogram
electrocardiogram
electroencephalograph
endoscopes and endoscopy
event monitor

Holter monitor

laparoscopy
lumbar puncture
lung ventilation-perfusion scan

magnetic resonance imaging (MRI)
medical diagnostic techniques
metabolic panel

nuclear heart scan

ophthalmoscope
otoscope

positron emission tomography (PET) scanning
pulse oximetry

quarantine

radionuclide scanning

screening
sigmoidoscopy
spirometry
stethoscope
stress testing

thoracentesis

ultrasound scanning

X-rays for medical diagnosis and treatment