Aneurysms are weakened areas of arteries that balloon out. They can rupture at any time where it's a very serious situation and the patient is in grave danger of bleeding out. read more
The key difference between blood clot and aneurysm is their location; an aneurysm is formed in a vessel wall or in the wall of the heart while a blood clot is originally formed in the blood. Fine details like the duration of the symptoms can be helpful in making a tentative diagnosis but it is difficult to make a definitive diagnosis without doing further investigations. read more
Blood clots when you are cut or injured and bruising is a feature of that. Abnormal intravascular clotting is a serious problem, in veins or arteries with different diagnosis and treatments. Aneurysms in general are of arteries with enlargement to significant size- usually twice the normal vessel size. read more