Kinnunen, "Hydropneumopericardium presenting as an acute coronary syndrome: a rare complication of paraesophageal hernia," Texas Heart Institute Journal, vol.
Essop, "Iatrogenic hydropneumopericardium," Cardiovascular Journal of Africa, vol.
This lesion showed fistulous communication with the pericardium (pulmonary pericardial fistula) causing hydropneumopericardium.
There is a horizontal fluid level in the left lower zone, obliterating the cardiac border s/o hydropneumopericardium
The control chest X-ray revealed a hydropneumopericardium (Figs 1a and 1b).
The diagnosis of hydropneumopericardium requires the application of Shackelford criteria which include (i) high-pitched tympanic percussion note, (ii) loud metallic splashing sound synchronous with heart sounds, and (iii) characteristic chest X-ray with an air-fluid level in the pericardial cavity.(1)
Traumatic origins of hydropneumopericardium are more common than non-traumatic causes.
With respect to hydropneumopericardium, which one of the following is incorrect?
Traumatic causes of hydropneumopericardium are more frequent than non-traumatic causes.
Non-traumatic causes of hydropneumopericardium include asthma and gastro-pericardic fistula complicating gastric pathology.