Infarct Size Scoring - 32-Point QRS Scoring System | Medical Algorithm

Are you evaluating a person with an acute myocardial infarction?

Yes

Does the patient have left ventricular hypertrophy?

Yes

Does the patient have conduction defects?

Yes

How many weeks after the infarct was the ECG performed?

Is the R wave in V4 notched?

Yes

Is the R wave in V5 notched?

Yes

Is the R wave in V6 notched?

Yes

enter duration (enter 0 of absent)
Lead	Q wave	R wave
I			ms
II			ms
aVL			ms
aVF			ms
V1			ms
V2			ms
V3			ms
V4			ms
V5			ms
V6			ms

enter the wave amplitude (enter 0 if absent)
Lead	Q wave	R wave	S wave
I				mV
II				mV
aVL				mV
aVF				mV
V1				mV
V2				mV
V3				mV
V4				mV
V5				mV
V6				mV

Results

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Results Interpretation and Description References Next Steps

amplitude ratios
Lead	R/Q	R/S
I
II
aVL
aVF
V1
V2
V3
V4
V5
V6

Data complete?

Evaluation appropriate?

Are exclusionary findings present?

Points for

• lead I

• lead II

• lead aVL

• lead aVF

• lead V1, anterior

• lead V1, posterior

• lead V2, anterior

• lead V2, posterior

• lead V3

• lead V4

• lead V5

• lead V6

Complete QRS score

Estimated percent of LV infarcted

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Risk Factors
Clinical Diagnosis, Including Family History For Genetics
Imaging Studies
Other Testing
- Probability of Acute Myocardial Infarction in the Presence of Left Bundle Branch Block Using the Criteria of Sgarbossa et al
- CART ECG Algorithms of Lehmann et al for Identifying the Occluded Artery in a Patient with an Acute Myocardial Infarction
Criteria For Diagnosis
Severity, Prognosis, Stage
Complications
Differential Diagnosis And Mimics, Red Flags
- Predictive Instrument of Wei et al for Evaluating a Patient in the Emergency Room with Chest Pain
- Screening Criteria of Anderson et al for Separating Anterior and Inferior Myocardial Infarcts

Therapy

Selection

Monitoring

Complication Detection
- Risk Assessment Scheme of Ellis et al for Outcome After Percutaneous Coronary Intervention (PCI)

Evaluation

Results

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Therapy

Monitoring

Specialty

ICD-10

32-Point QRS Scoring System - Infarct Size Scoring

Purpose: To calculate the Selvester complete QRS score from the ECG after an acute myocardial infarction.

Evaluation

Results

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Therapy

Monitoring

Specialty

ICD-10