Still, it is important to be on the lookout for red flags. According to the American Heart Association, those can include “increasing or extreme shortness of breath with exertion, chest pain, swelling of the ankles, heart palpitations or an irregular heartbeat, not being able to lie flat without shortness of breath, waking up at night short of breath, lightheadedness or dizzy spells.”
Article source: https://www.huffpost.com/entry/new-things-covid-february-2022_l_621d1bb3e4b0d1388f190e98