The term "Dissecting Aneurysm" is used to describe a serious medical condition that affects the walls of arteries. The word "dissecting" is spelled /dɪˈsɛktɪŋ/, which indicates the pronunciation of the vowels "i" and "e". Meanwhile, the word "aneurysm" is spelled /ˈæn.jə.rɪz.əm/, indicating that the letter "y" is pronounced as a vowel in this word. Knowing the correct spelling of medical terms like "Dissecting Aneurysm" is important to ensure clear communication and accurate diagnosis among healthcare professionals.
A dissecting aneurysm refers to a medical condition characterized by the tearing or separation of the layers of the arterial wall resulting in the formation of a false channel or a blood-filled cavity. This condition typically occurs in the aorta, the largest artery in the body, but can also involve other arteries.
The tearing of the arterial wall in a dissecting aneurysm creates two lumens within the artery: the true lumen, which allows blood flow in the normal direction, and the false lumen, which becomes an abnormal pathway for blood. This separation of blood flow creates the potential for complications as the false lumen can exert pressure on the true lumen and obstruct blood flow.
The common causes of a dissecting aneurysm include high blood pressure, atherosclerosis (the buildup of plaque in arteries), connective tissue disorders such as Marfan syndrome, trauma, and certain genetic conditions. Symptoms experienced by individuals with this condition may vary depending on the location and extent of the aneurysm but can include severe chest or back pain, sweating, shortness of breath, fainting, or even stroke-like symptoms.
Immediate medical attention is necessary when a dissecting aneurysm is suspected to prevent potential life-threatening complications like rupture, organ damage, or dissection extension. Diagnostic imaging techniques, such as CT scans or angiograms, are commonly used to confirm the presence of a dissecting aneurysm. Treatment options may include medication to control blood pressure and heart rate, surgical repair, or endovascular techniques to reinforce or bypass the affected vessel. Regular monitoring and follow-up are essential to manage and prevent potential complications.
An a. formed by the escape of blood, through a crack in the intima, into the wall of the aorta or other large artery, leading to a separation of the coats of the vessel.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "aneurysm" dates back to the late 14th century, derived from the Greek word "aneurysma", meaning "a widening" or "dilation". It originally referred to an abnormal swelling or bulge in a blood vessel. The term "dissecting" was added to the word "aneurysm" to describe a specific type of aneurysm, known as a dissecting aneurysm.
The term "dissecting" in this context refers to the fact that this type of aneurysm occurs due to a tear in the inner lining of the blood vessel. The blood flows into the space between the layers of the vessel wall, causing the layers to separate or "dissect". This can lead to the formation of a new channel for blood flow within the vessel wall, potentially leading to complications such as blood clots or further dilation.