Angiography Types Categories Signs and Symptoms Treatment Imaging Modality Essay

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Angiography;, Types Categories, , Signs & Symptoms, Treatment, Imaging Modality

Angiography

An angiography involves the use of water-soluble X-ray contrast media by injecting it into blood streams in arteries or veins with the purpose of imaging blood vessels. The process is meant to observe normal or pathological conditions of the vessel organization. By seeing the lumen of blood vessels and organs, an angiography can provide information concerning conditions like luminal narrowing and aneurismal widening. Vessel access is essential and serious complications can appear if the substance is unable to pervade the veins and arteries, but this is rare and unlikely to occur. While these are some of the conditions that are frequently detected through an angiography, it can also play an important role in analyzing sources of bleeding, tumors, and diverse malformations in veins and arteries.

The discovery of X-rays led to some of the first experiments with angiographies as numerous individuals involved in the medical industry discovered that postmortem anatomy could be analyzed by using X-rays alongside of injecting opaque substances into blood vessels. "One of the earliest of such experimenters was Franz Exner, who apparently injected the hand of a cadaver with Teichmann's mixture (lime cinnabar and petroleum)." (Thomas & Banerjee 2013, p. 149) Early angiographies involved surgical exploration but the field rapidly progress through the twentieth century and doctors in the 1950s were using percutaneous arteriography while individuals in the 1980s were especially appreciative with regard to digital subtraction angiography (Thomas & Banerjee 2013, p. 150). People today are generally using digital subtraction when performing an angiography, as this is in most cases the most effective method to complete such a process.

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An angiography can either entail substances being injected into the blood stream in arteries or into the blood stream in veins. The former process is called an artierography while the latter is related to as veneography.

There are a series of factors that determine the terminology associated with an angiography:

The organ that needs to be imaged

The vessel area where the process is performed

The selected strategy of access to the area

The chosen method of access through the vessel

A cerebral angiography is selected in cases when doctors want to discover aneurysms, blood clots, and a series of other issues with the vascular system in the brain. The contrast medium is normally inserted through the femoral artery or through the carotid artery, as this makes it possible for the substance to reach the brain. Individuals undergoing a cerebral angiography are probable to experienced discomforts such as headaches or burning feelings in the head or neck.

A coronary angiography can be more complex and it involves the femoral artery being injected and the person in charge of the process (a cardiologist who is proficient in radiology or a radiologist) using a guide wire and a catheter with the purpose of reaching the coronary arteries. Depending on the area of the heart the cardiologist wants to access, the catheter can be introduced in either the right or the left ventricle. In addition to….....

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