Women Can Experience Jaw and Back Pain on Either Side During Heart Attack
Women experiencing myocardial infarction can have jaw and back pain that is left-sided, right-sided, or bilateral—there is no specific lateralization pattern that reliably distinguishes cardiac from non-cardiac pain in women.
Key Clinical Points
The evidence consistently demonstrates that women with acute coronary syndrome experience radiating pain differently than the traditional "left-sided only" teaching suggests:
Pain Radiation Patterns in Women
Pain can radiate to multiple locations without specific lateralization 1, 2:
- Pain may radiate to the left and/or right arm
- Neck and jaw pain occurs more frequently in women than men
- Back pain is significantly more common in women with MI
- The pain is typically diffuse over a wide area rather than localized
Evidence from Major Guidelines
The 2021 AHA/ACC Chest Pain Guidelines specifically note that women with suspected CAD have greater prevalence of jaw and neck pain, as well as back pain compared to men 3. The 2011 ACC/AHA guidelines emphasize that pain radiating to "neck, jaw, shoulders, back, or 1 or both arms" should trigger immediate ACS assessment 1.
The 2002 European Heart Journal Task Force explicitly states: "The pain might radiate to the left and/or right arm as well as to the neck and back" and that "women suffering from acute myocardial infarction have been reported to have pain more frequently in the back, in the neck, and in the jaw" 2.
Research Evidence Confirms Bilateral Presentation
Recent research demonstrates:
- Women have 1.84× greater odds of experiencing neck or jaw pain (OR=1.84; 95% CI=1.41-2.40; p<0.001) 4
- Women have 1.56× greater odds of back pain (OR=1.56; 95% CI=1.03-2.37; p=0.034) 4
- No specific lateralization pattern distinguishes cardiac pain—it can be left, right, or bilateral 5, 6
Critical Clinical Pitfalls
Common Diagnostic Errors
- Assuming cardiac pain must be left-sided only: This outdated teaching causes missed diagnoses in women
- Dismissing bilateral or right-sided symptoms: Women frequently present with pain in multiple locations simultaneously
- Waiting for "typical" presentation: Women are more likely to have accompanying symptoms (jaw, neck, back pain) alongside or even instead of classic chest pain 3
High-Risk Presentation in Women
Women presenting with any combination of the following warrant immediate cardiac evaluation 1, 7:
- Jaw, neck, or throat discomfort (either side or bilateral)
- Back pain between shoulder blades or interscapular region
- Pain radiating to one or both arms
- Associated dyspnea, nausea, or fatigue
- Symptoms triggered by exertion or emotional stress
Practical Algorithm for Assessment
When evaluating women with jaw or back pain:
- Do NOT rely on lateralization to rule in or rule out cardiac etiology
- Assess for associated symptoms: dyspnea (50% of women), nausea (28%), fatigue (29%) 4
- Consider cardiac origin if:
- Pain occurs with exertion or emotional stress
- Multiple pain locations (jaw + back + arm)
- Duration >20 minutes
- Associated autonomic symptoms (diaphoresis, pallor)
- Obtain immediate ECG regardless of pain location 1, 7
- Use sex-specific troponin thresholds (>16 ng/L for women) to avoid underdiagnosis 8
Special Considerations
Women are more likely to be misdiagnosed because:
- Physicians often misclassify their symptoms as "nonanginal" 3
- Traditional risk scores underestimate risk in women 3
- Women present 8-10 years older than men, with more comorbidities 8
- Women have higher rates of nonobstructive CAD that still carries elevated risk 9
The bottom line: Any woman with exertional or rest jaw/back pain—regardless of whether it's left, right, or bilateral—deserves cardiac evaluation if other features suggest ACS. The absence of left-sided predominance should never be used to exclude cardiac etiology.