HIV related pericarditis can be classified by possible complications. since there is always another organism or pathology underlying the disease, it is usually classified by its underlying cause.
HIV induced pericarditis classification
HIV induced pericarditis laboratory studies
HIV induced pericarditis physical examination
Myocarditis classification
Myocarditis CCS Guidelines
Endocarditis diagnostic criteria
Non-bacterial thrombotic endocarditis classification
Tuberculous pericarditis electrocardiogram