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A hiatal hernia or hiatus hernia [2] is a type of hernia in which abdominal organs (typically the stomach) slip through the diaphragm into the middle compartment of the chest. [1] [3] This may result in gastroesophageal reflux disease (GERD) or laryngopharyngeal reflux (LPR) with symptoms such as a taste of acid in the back of the mouth or heartburn.
Hiatus hernia: A hiatal hernia occurs when a portion of the stomach pushes upward through the diaphragm into the chest cavity. While gastroesophageal reflux, presenting as heartburn and regurgitation, is the hallmark symptom, other manifestations such as dysphagia, epigastric or chest pain, and chronic iron deficiency anemia may also occur.
Aortic aneurysm; Figure A shows a normal aorta. Figure B shows a thoracic aortic aneurysm (which is located behind the heart). Figure C shows an abdominal aortic aneurysm located below the arteries that supply blood to the kidneys. Specialty: Cardiology, Vascular surgery: Symptoms: abdominal pain and back pain: Complications: Hemorrhaging ...
Abdominal aortic aneurysm (AAA) is a localized enlargement of the abdominal aorta such that the diameter is greater than 3 cm or more than 50% larger than normal. [1] An AAA usually causes no symptoms, except during rupture. [ 1 ]
The abdominal aorta begins at the level of the diaphragm, crossing it via the aortic hiatus, technically behind the diaphragm, at the vertebral level of T12. [1] It travels down the posterior wall of the abdomen, anterior to the vertebral column. It thus follows the curvature of the lumbar vertebrae, that is, convex anteriorly.
Hiatus, or hiatal hernias often result in heartburn but may also cause chest pain or pain while eating. [3] Risk factors for the development of a hernia include smoking, chronic obstructive pulmonary disease, obesity, pregnancy, peritoneal dialysis, collagen vascular disease and previous open appendectomy, among others.
Aortic aneurysms are often encountered during an X-ray, ultrasound, or echocardiogram done for other reasons. [3] IAA may also be found during a routine physical exam by feeling for bulges in the abdominal area. If an aortic aneurysm is suspected, medical history will be considered along with a physical examination.
Causes include any obstruction of blood flow to and from the heart. There are multiple, including pulmonary embolism, cardiac tamponade, and tension pneumothorax. Other causes include abdominal compartment syndrome, Hiatal hernia, severe aortic valve stenosis, and disorders of the aorta. Constrictive pericarditis is a rare cause.
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