Sweet Potato Storage. Unlike potatoes, fresh sweet potatoes generally do not store well, except under ideal conditions, and bruised ones rapidly deteriorate. In a dry, dark, cool (55 degrees F.) place, they can last up to three to four weeks. Plan on using within one week of purchase and do not refrigerate.
This disorder, in which your breathing is interrupted during sleep, can increase your risk of supraventricular tachycardia. Nicotine and illegal drug use. Nicotine and illegal drugs, such as amphetamines and cocaine, may profoundly affect the heart and trigger an episode of supraventricular tachycardia. Complications
Supraventricular Tachycardia (SVT, PSVT) Causes. Paroxysmal (also termed sporadic) supraventricular tachycardia usually occurs without other symptoms. However, it may be associated with a number of medical conditions, such as the following: 1  Hardening of the arteries (atherosclerosis). 2  Heart failure. 3  Thyroid disease. 4  Chronic lung disease. 5  Pneumonia.