In a male patient with chest‑wall discomfort and a normal electrocardiogram (ECG), what are the likely musculoskeletal causes, what is the appropriate next step in management, and is an echocardiogram indicated?

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Musculoskeletal Causes and Management of Chest Pain with Normal ECG

In a male patient with chest wall discomfort and a normal ECG, the most likely cause is costochondritis or other musculoskeletal chest wall syndrome, which can be diagnosed by physical examination reproducing the pain with palpation; an echocardiogram is NOT indicated unless there are specific clinical features suggesting structural heart disease, valvular pathology, or if cardiac biomarkers are elevated.

Likely Musculoskeletal Causes

The most common musculoskeletal causes of chest wall pain include 1:

  • Costochondritis (42% of cases) - inflammation of the costochondral junctions
  • Chest wall muscle strain - affecting intercostal muscles, pectoralis muscles, or other chest wall musculature
  • Sternoclavicular or manubriosternal joint inflammation
  • Thoracic spine-related pain - including radiculopathy or facet joint dysfunction
  • Fibromyalgia/fibrositis - diffuse chest wall tenderness 2

Musculoskeletal chest pain accounts for 51.2% of acute chest pain after cardiac causes are excluded 1, and nearly half of patients presenting to primary care with chest pain have musculoskeletal etiologies 1.

Next Step in Management

The appropriate next step is focused physical examination to reproduce the patient's pain:

  • Palpate specific chest wall structures - costochondral junctions, sternoclavicular joints, intercostal spaces, and chest wall muscles
  • Look for pain reproduction - the key diagnostic finding is reproducing the exact chest pain with palpation or specific movements 3, 4
  • Assess for point tenderness - 69% of patients with noncardiac chest pain have chest wall tenderness, with the sternal area, xiphoid, left costosternal junctions, and left anterior chest wall being most common 2

Important caveat: While 69% of patients with noncardiac chest pain have chest wall tenderness, only 16% have their typical pain reproduced by palpation 2. However, reproduction of pain by palpation is highly specific for musculoskeletal causes.

Clinical Features Suggesting Musculoskeletal Origin 3, 4:

  • Pain worsened by specific postures or physical activities
  • Pain with chest wall movement or deep breathing
  • Localized tenderness on palpation
  • Pain described as "stinging" (53%) or "pressing" (35%) 1
  • Often left-sided (69%) or retrosternal (52%) 1

Is Echocardiogram Indicated?

No, echocardiography is NOT routinely indicated for musculoskeletal chest pain with a normal ECG 5.

When Echocardiography IS Appropriate 5:

Echocardiography should be reserved for specific clinical scenarios:

  • Elevated cardiac biomarkers (troponin) - suggesting myocardial injury despite normal ECG 6, 7

  • New cardiac murmur - particularly in acute cardiorespiratory compromise 5

  • Clinical suspicion for:

    • Acute valvular disease
    • Pericardial effusion/tamponade
    • Aortic dissection
    • Pulmonary embolism with hemodynamic instability
    • Takotsubo cardiomyopathy

  • Inconclusive history, ECG, and biomarkers - when diagnostic uncertainty remains after initial workup 5, 8

Evidence Against Routine Echocardiography:

The 2021 ACR Appropriateness Criteria explicitly state that costochondritis and most musculoskeletal chest wall pain can be readily diagnosed by physical examination without need for diagnostic imaging 1. The guidelines emphasize that imaging should only be used when the provisional diagnosis specifically requires it, such as when systemic or rheumatological causes are suspected 3.

Management Algorithm

For confirmed musculoskeletal chest pain:

  1. Reassurance - explain the benign nature and allay anxiety 4
  2. Analgesia:
    • NSAIDs (oral or topical)
    • Acetaminophen
    • Local anesthetic injection for focal pain 4
  3. Manual therapy - if appropriate 4
  4. Activity modification - avoid aggravating movements temporarily

Critical Pitfalls to Avoid

  • Do not assume all normal ECGs exclude cardiac disease - acute coronary syndrome can present with normal ECG in early stages 9
  • Check cardiac biomarkers (troponin) - if any doubt exists about cardiac etiology, as troponin elevation changes management even with normal ECG 7, 9
  • Consider alternative serious causes - pulmonary embolism, aortic dissection, and esophageal rupture can present with normal ECG 5
  • Beware of atypical presentations - neuropathic pain from thoracic spine pathology can mimic cardiac pain 10

The key principle: Once cardiac causes are excluded through history, examination, ECG, and biomarkers, most musculoskeletal diagnoses require no further imaging, and echocardiography adds no value to management 1, 3.

References

1
Guideline

acr appropriateness criteria® nontraumatic chest wall pain.

Journal of the American College of Radiology, 2021

3
Research

Musculoskeletal chest wall pain.

Australian family physician, 2015

4
Research

Musculoskeletal causes of chest pain.

Australian family physician, 2001

7
Research

Myopericarditis in an emergency department patient presenting with chest pain and ECG changes: a case report.

The Egyptian heart journal : (EHJ) : official bulletin of the Egyptian Society of Cardiology, 2026

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