abnormal
aed
aging
an old man
attack
blood clots
book illustration
callout
cardiac arrhythmias
chest
chronic disease
disease
family
fibrillation
for the elderly
heart
heart disease
heart palpitations
illustration
infarction
ischemia
ischemic attack
male
myocardial infarction
nightmare
scouts
senior
shortness of breath
summer clothes
symptoms
systemic
ventricular fibrillation