No contraindications are known for this examination.<unk>  does not involve the use of ionizing radiation, and the procedure is harmless and can be safely used on anybody of any age. A World Health Organization report published in 1998 supports this.
Ultrasonography of chronic venous insufficiency of the legs
Ultrasonography of deep vein thrombosis
Peripheral vascular examination
Coronary CT calcium scan
Assessment of kidney function
Cardiac magnetic resonance imaging perfusion
Intracoronary optical coherence tomography
Pressure–volume loop analysis in cardiology