TABLE 2.

Summary of Demographic Features and Catheterization Details in Recruited Patients

Age (median, range)	4 years (2 months to 39 years)
Body surface area (median, range)	0.65 m2 (0.27–2)
Weight (median, range)	15.2 kg (5–98)
Height (median, range)	102 cm (58–175)
Previous cardiac procedure	20/30 patients
Heart rate	98 ± 28 bpm
Catheterisation time (skin in‐skin out)	219 ± 52 minutes
Indexed radiation dose	0.42 ± 0.58 mGym2
Radiation time	10.02 ± 11.36 minutes

Measurements are shown as mean ± SD unless stated otherwise.

FiO2 = fraction of inspired oxygen; iNO = inhaled nitric oxide; ppm = parts per million; PVR = pulmonary vascular resistance.