[A strange case of acute respiratory failure: the platypnea-orthodeoxia syndrome].

Platypnea-orthodeoxia syndrome is a rare disorder characterized by dyspnea and oxygen desaturation in upright position, with improvement of symptoms and blood oxygenation in supine position. Basically a right-to-left shunt (intracardiac or pulmonary) or a ventilation/perfusion mismatch are necessary to develop platypnea-orthodeoxia syndrome. Atrial septal defects, including patent foramen ovale (PFO), are known to be a frequent cause of platypnea-orthodeoxia syndrome.

Assessment of No-Reflow Phenomenon by Myocardial Blush Grade and Pulsed Wave Tissue Doppler Imaging in Patients with Acute Coronary Syndrome.

Background: No-reflow phenomenon is a complication of myocardial revascularization and it is associated with a worse prognosis.

Materials And Methods: A prospective study was carried out enrolling patients with acute myocardial infarction (64 patients, 49 male and 15 female, median age 64.9 ± 10.