Table 2

Sudden death: main clinical and pathological findings

Case no.	Age/ gender	Location of death	Activity at death	Time2-150	Previous symptoms or clinical diagnosis	Cause of death
Sudden cardiac death
1	19/M	DOA	Exercise	<15 min	Asymptomatic	Arrhythmogenic cardiomyopathy
2	18/M	DOA	Exercise	<15 min	Ventricular tachycardia. Syncope during exercise	Arrhythmogenic cardiomyopathy
3	18/M	OH	Exercise	<15 min	Syncope during exercise	Arrhythmogenic cardiomyopathy
4	19/F	DOA	Sedentary	<15 min	Frequent headache	Hypertrophic cardiomyopathy
5	18/M	OH	Sedentary	<15 min	Hypertrophic cardiomyopathy. Mild mitral inssuficiency. Family history of SD	Hypertrophic cardiomyopathy
6	19/M	OH	Death in bed		Morbid obesity. Psychiatric antecedents	Dilated cardiomyopathy
7	1/M	DOA	Sedentary	<15 min	Tetralogy of Fallot. Palliative operation months earlier	Tetralogy of Fallot
8	9/M	DOA	Exercise	<15 min	Physiological heart murmurs 5 years before death	Anomalous origin of LAD coronary from pulmonary trunk
9	19/M	DOA	Sedentary	<15 min	Asymptomatic	Myocarditis
10	15/M	DOA	Exercise	<15 min	WPW during first year of life, later asymptomatic	Wolf–Parkinson–White syndrome
Sudden death of non-cardiac origin
11	16/M	OH	Sedentary	<15 min	Asthma. Cardiac arrhythmias with normal ECG	Unexpected SD in asthmatic
12	18/M	DOA	Exercise	<15 min	Asthma. Physiological heart murmur	Unexpected SD in asthmatic
13	18/M	ER	Sedentary	15–60 min	Asthma. Upper airway infection prior to death	Unexpected SD in asthmatic
14	1/F	DOA	Death in bed		Fever. Treated with antipyretics and antibiotics	Acute viral laryngitis
15	9/M	ER	Sedentary	15–60 min	Asymptomatic	Bronchopneumonia
16	18/M	ER	Sedentary	1–6 h	Neurofibromatosis in lungs. Arterial hypertension due to bilateral renal artery stenosis surgically corrected at 12 years	Lung haemorrhage secondary to neurofibromatosis
17	14/M	ER	Sedentary	<15 min	Asymptomatic. Headache 24 hours before death	Subarachnoid haemorrhage
18	12/M	DOA	Sedentary	<15 min	Urinary infection a month before	Subarachnoid haemorrhage
19	12/F	DOA	Sedentary	<15 min	Migraine with an aura	Brain haemorrhage secondary to AVM
20	2/M	DOA	Sedentary	1–6 h	Myelomeningocoele lumbar with derivative valve	Arnold–Chiari malformation
21	19/F	OH	Death in bed		Epilepsy	Unexplained SD in epileptic
22	4/M	ER	Sedentary	1–6 h	Asymptomatic	Diabetic coma
23	2/M	ER	Sedentary	1–6 h	Asymptomatic	Fulminant meningococcaemia
Sudden death of unexplained origin
24	4/M	OH	Death in bed		Diarrhoea 2 days before death	SD of unexplained origin
25	13/F	DOA	Unknown	<15 min	Three episodes of vagal syncope and bradycardia	SD of unexplained origin
26	14/M	DOA	Sedentary	<15 min	Asymptomatic	SD of unexplained origin
27	1/F	DOA	Death in bed		Asymptomatic	SD of unexplained origin
28	2/M	DOA	Death in bed		Asymptomatic	SD of unexplained origin
29	18/F	DOA	Death in bed		Anorexia nervosa 2 years previously (recovery), cinestosis, ventricular extrasystole	SD of unexplained origin
30	16/M	DOA	Sedentary	<15 min	Asymptomatic	SD of unexplained origin
31	16/F	OH	Sedentary	Unknown	Recent trip. Antimalarial treatment	SD of unexplained origin
32	19/M	DOA	Exercise	<15 min	Growth retardation treated with growth hormone. Salbutamol on requirement. Syncope during exercise and near syncope	SD of unexplained origin
33	17/M	DOA	Sedentary	<15 min	Acne on retinoic acid treatment. Surgery of ureter stenosis when 1 year old	SD of unexplained origin
34	17/F	DOA	Death in bed		Probable syncope considered as seizures with normal neurological examination	SD of unexplained origin

↵2-150 Interval between onset of symptoms to death.
AVM, arteriovenous malformation; DOA, death on arrival to emergency room; ER, death in emergency room; LAD, left anterior descending; OH, outside hospital death; SD, sudden death.