Clinical features

• syncope
• palpitations
• light-headedness
• dyspnoea and oedema
• fatigue
• angina    

Note:

• Symptoms are not very helpful at diagnosing arrhythmias. ^c

Common symptoms of sick sinus syndrome include syncope and palpitations

Clinical feature c	sensitivity (95% CI)
symptomatic	77% (66% to 88%)
syncope	45% (33% to 58%)
light-headedness	27% (15% to 38%)
palpitations	30% (18% to 42%)
dyspnoea and oedema	16% (6.5% to 26%)
angina	11% (2.6% to 19%)
fatigue	11% (2.6% to 19%)