What are the limitations of the Modified Sgarbossa Criteria?

While the Modified Sgarbossa Criteria is highly validated, it should not replace clinical judgment. OpiCalc provides the latest evidence-based limitations for the Modified Sgarbossa Criteria to ensure safe bedside use and optimal diagnostic accuracy.

How does the Modified Sgarbossa Criteria compare to other Cardiovascular scores?

The Modified Sgarbossa Criteria is a gold-standard diagnostic tool. OpiCalc provides side-by-side clinical guidance to help clinicians choose the most specific evidence-based tool for their patient's presentation.

Is the Modified Sgarbossa Criteria free to use?

Yes. OpiCalc provides the Modified Sgarbossa Criteria completely ad-free and optimized for mobile bedside use, ensuring you can calculate medical risk swiftly and without distraction.

EVIDENCE SYNTHESIS

Clinical Reference Hub

Curated insights • How it Works • Practical Pearls • Evidence Base

CLINICAL INSIGHT

When to Use

Evaluation of suspected Acute Myocardial Infarction in the presence of LBBB.
Proposed as a more sensitive alternative to the original Sgarbossa criteria.

CLINICAL INSIGHT

How it Works

Smith’s Modification

The original 3rd Sgarbossa criterion (≥ 5mm discordant ST elevation) was found to be poor at discriminating AMI. Smith modified this to a proportional rule.

The S/T Ratio

CLINICAL INSIGHT

Practical Pearls

Sensitivity Boost

The modified criteria increase sensitivity from ~20-30% to ~80% while maintaining high specificity (~99%). It is now widely recommended over the original criteria in emergency medicine.

CLINICAL INSIGHT

Next Steps

Complementary Calculators

CLINICAL INSIGHT

Evidence Base

Validation Study

Diagnosis of ST-elevation myocardial infarction in the presence of left bundle branch block with the ST-elevation to S-wave ratio in a modified Sgarbossa rule.

Smith SW, et al.Ann Emerg Med.2012

Clinical Evidence and Methodology

Clinical Reference Hub

When to Use

When to Use

How it Works

Smith’s Modification

The S/T Ratio

Practical Pearls

Sensitivity Boost

Next Steps

Complementary Calculators

Evidence Base

Validation Study

Modified Sgarbossa Criteria

Clinical Reference Hub

When to Use

When to Use

How it Works

Smith’s Modification

The S/T Ratio

Practical Pearls

Sensitivity Boost

Next Steps

Complementary Calculators

Evidence Base

Validation Study

Clinical Evidence and Methodology

Clinical Reference Hub

When to Use

When to Use

How it Works

Smith’s Modification

The S/T Ratio

Practical Pearls

Sensitivity Boost

Next Steps

Complementary Calculators

Evidence Base

Validation Study

Modified Sgarbossa Criteria

Clinical Reference Hub

When to Use

When to Use

How it Works

Smith’s Modification

The S/T Ratio

Practical Pearls

Sensitivity Boost

Next Steps

Complementary Calculators

Evidence Base

Validation Study