Marianne Belleza, R.N.

Patent Ductus Arteriosus

The ductus arteriosus is a fetal blood vessel that connects the pulmonary artery to the descending aorta. In patent ductus arteriosus (PDA), the lumen of the ductus remains open after birth.

Cushing’s Syndrome

Cushing's syndrome is a cluster of clinical abnormalities caused by excessive levels of adrenocortical hormones (particularly cortisol) or related corticosteroids and, to a lesser extent, androgens and aldosterone.

Pneumothorax

Pneumothorax is one of the disorders of the chest and lower respiratory tract. It occurs when the parietal or visceral pleura is breached and the pleural space is exposed to positive atmospheric pressure.