ʻO nā hōʻailona nui o ka tachycardia, me ka ʻike ʻaʻole i loaʻa i kekahi poʻe, ʻo ia:

• ka manaʻo o ka puʻuwai wikiwiki;
• nā mea nui;
• nawaliwali;
• pōkole o ka hanu, pilikia i ka hanu;
• palpitations;
• nawaliwali ;
• ʻeha ka umauma;
• maule ana;
• nalowale o ka ʻike.