ALS

causes of airway obstruction

CNS
Blood
Vomit
Laryngeal swelling
Foreign body
Direct trauma
Epiglottitis
Bronchospasm
Blocked trache
Bronchial secretions

breathing problems

Respiratory drive
Respiratory effort
Lung disorders

Causes of Vfib

ACS
Hypertensive heart disease
Valve disease
Drugs - anti arrhythmics, tricyclics, anti depressants
Inherited cardiac syndromes
Acidosis
Abnormal electrolytes
Hypothermia
´┐Żlectrocution

Features that suggest arrhythmic syncope:

Syncope in supine position;
Occurring after/during exercise;
With no/brief prodromal symptoms;
Repeated episodes of unexplained syncope;
Known family history

Long

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