The symptoms of pericarditis depend on the type, but may include: 1  high temperature. 2  sweating and chills. 3  breathing problems, such as breathlessness. 4  dry cough. 5  abnormal heart rhythms, such as accelerated heartbeat (tachycardia) 6  sharp and stabbing chest pains. 7  pain radiating into the left shoulder and arm.
It is not always possible to determine what causes low levels of amniotic fluid. Oligohydramnios can be caused by a continuous leaking of amniotic fluid. It can also occur when the fetus has kidney failure. After about four months of pregnancy, the kidneys of a normal fetus will produce the amniotic fluid. If the fetus has kidney abnormalities, the amount of amniotic fluid may be too low.
A diaphragmatic hernia that occurs through this opening is called a hiatus hernia. The cause of hiatus hernia is usually unknown, but it may be caused by stretching of the bands of tissue that are attached between the esophagus and diaphragm at the hiatus. The condition is more common among people who are older than 50, who are overweight (particularly women), or who smoke.