Idiopathic methicillin-susceptible Staphylococcus aureus associated tricuspid valve endocarditis and pneumothorax in a patient without apparent predisposing factor: a case report oleh Mohammad Dashtkoohi, Farbod Semnani, Nasser Aghdami, Marjan Sohrabi, Arezoo Salami Khaneshan, Fereshte Ghiasvand, Parnian Adhami Moghadam