Hreybe et al identified risk factors associated with cardiac arrest in a patient with an acute myocardial infarction. The authors are from the University of Pittsburgh.
Parameters:
(1) location of coronary artery occlusion
(2) cardiac rhythm on hospital admission
(3) family history of coronary artery disease
Parameter
Finding
Points
location of occlusion
mid or distal artery
0
proximal artery
1
cardiac rhythm
sinus
0
not sinus
1
family history of coronary artery disease
present
0
absent
1
where:
• The odds ratios range from 5 to 8.
number of risk factors =
= SUM(points for all 3 factors)
Interpretation:
• minimum number of risk factors: 0
• maximum number of risk factors: 3
• The risk of cardiac arrest increases with the number of risk factors.
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