Isorhythmic atrioventricular dissociation in an adult with levo-transposition of the great arteries.

A 36-year-old woman with levo-transposition of the great arteries presented for a programmed visit. She was asymptomatic and the clinical examination showed no signs of decompensated heart failure. Standard 12-lead ECG showed isorhythmic atrioventricular dissociation.

Native valve endocarditis with .

We report a rare case of native valve endocarditis caused by in an immunocompetent 79-year-old man with known degenerative valvular heart disease but no previous risk factors such as recent invasive treatment or medical implant. The patient presented with heart failure, due to perforation of the mitral valve, and lacked any signs of infection. The diagnosis of endocarditis with was established by echocardiography and positive blood cultures.

Tonsillar lymphoma masquerading as obstructive sleep apnea - pediatric case report.

The commonest cause of head and neck malignancy in pediatric patients is lymphoma. A particular case is the tonsillar lymphoma. Even though unilateral tonsillar enlargement represents an ominous sign for neoplasia, clinical manifestations vary and are non-specific.