The value of routine chest radiographs after minimally invasive cardiac surgery: an observational cohort study

Table 1 Classification of radiologic findings

Minor findings¹	Major findings²
Minimal pleural effusion	Severe pleural effusion
Small atelectasis	Large atelectasis
Minimal pulmonary congestion	Severe pulmonary congestion
Small consolidation	Large consolidation
	Malposition of invasive devices
	Widened mediastinum
	Large subcutaneous emphysema
	Haemothorax
	Pneumothorax
	Pneumomediastinum
	Pneumopericardium
	Free air under diaphragm

¹Involvement of less than one lobe, and/or judged `normal postoperative’.
²Involvement of one lobe or more, and/or judged `no normal postoperative finding’.

ISSN: 1749-8090