What is the correct spelling for PYOPNEUMOPERICARIDUM?

If you're faced with the perplexing misspelling "pyopneumopericaridum", fret not, for there are plausible alternatives. Consider "pyopneumopericardium", which refers to the accumulation of pus, air and fluid in the pericardial sac. Another correct suggestion may be "pyopneumopericarditis", which denotes the inflammation of the pericardium due to infection and the presence of pus and gas.