Pathology Flashcards
define sudden death
death within 24 hours of the onset of symptoms
name the 4Hs of reversible causes of cardiac arrest
hypoxia
hypovolaemia
hypo/hyperkalaemia/metabolic
hypothermia
name the 4 Ts of reversible causes of cardiac arrest
thrombosis
tamponade
toxins
tension pneumothorax
what are non-suspicious causes of hypoxia?
asthma pneumothorax resp obstruction resp depression aspiration
what can cause respiratory obstruction?
epiglottis
choking
what can cause respiratory depression?
drugs
overdose
what are suspicious causes of hypoxia?
resp obstruction
drug overdose, negligence, poisoning
drowning
what are non-suspicious causes of hypovolaemia?
GI haemorrhage
haemoperitoneum - liver, spleen, laceration
what are suspicious causes of hypovolaemia?
trauma
stabbings
shootings
what are non-suspicious causes of hypo/hyperkalaemia/metabolic?
diabetic ketoacidosis
alcoholic ketoacidosis
toxins
what are suspicious causes of hypo/hyperkalaemia/metabolic?
toxins - poisoning
what are non-suspicious causes of hypothermia?
exposure to cold
alcoholic
drugs
underlying medical disease
what are suspicious causes of hypothermia?
exposure to cold
water
neglect
forced outside
what are non-suspicious causes of coronary or pulmonary thrombosis?
coronary artery thrombosis on atherosclerosis
pulmonary venous thromboembolism
embolism from DVT
paradoxical emboli
what are suspicious causes of coronary or pulmonary thrombosis?
contribution
deaths in custody
one punch
‘scared to death’