Table 1.

Summary of selected case reports on pneumopericardium.

Case	Age/sex	Etiology	Presentation	Management	Outcome
1	20/M [1]	Pericardiocentesis of TB effusion	Pleuritic chest pain	Conservative Steroids TB meds	Improved
2	47/F [6]	Pericardiocentesis in scleroderma	Asymptomatic	Conservative Steroids	Improved
3	69/M [7]	CABG	Cardiac tamponade	Surgical decompression	Improved
4	40/F [8]	Double valve replacement	Cough Pericardial friction rub	Conservative	Improved
5	80/F [3]	Rupture of gastric volvulus into pericardial cavity	STEMI	Palliative	Expired
6	60/F [9]	Barotrauma (mechanical ventilation)	Pneumothorax Pneumomediastinum Desaturation	Pericardiocentesis Needling CPR	Expired
7	54/M [5]	Bacterial infection (Streptococcus milleri)	Cardiac tamponade High fever	Pericardiocentesis Antibiotics Intrapericardial urokinase	Improved
8	20/M [10]	Spontaneous	Dyspnea Neck & chest pain Crepitus	Conservative	Improved

TB = tuberculous/tuberculosis; CABG = coronary artery bypass graft; STEMI = ST-elevation myocardial infarction.