Result of atherosclerotic plaque blocking one or more of the blood vessels that supply the heart. Can cause chest pain/angina pectoris occurring due to stress of exercise. If blockage completely impedes blood flow to the heart, a heart attack can occur.
A: The most common cause of new or come-and-go tongue swelling (or swelling of the lip or throat) is a type of allergic reaction called angioedema.. Sudden tongue swelling can sometimes be dangerous because it could block your airway. Two types of angioedema can lead to a swollen tongue: 1.
In addition, a swollen tongue can be caused by: 1  Hormonal disorders such as acromegaly. 2  Congenital disorders such as Beckwith Wiedemann syndrome. 3  Genetic disorders such as Down syndrome and hereditary angioedema. 4  Hypothyroidism, an underactive thyroid. 5  Poor vitamin B12 absorption. 6  Pituitary gland disorder.