Overview
Heartburn (pyrosis) is a burning sensation in the chest caused by stomach acid refluxing into the esophagus. This data type enables users to track frequency, severity, and patterns of heartburn episodes for personal monitoring and clinical consultation.
Health Significance
- Gastroesophageal Reflux Disease (GERD): Frequent heartburn (2+ times/week) may indicate GERD requiring medical evaluation
- Esophageal Health: Chronic acid exposure can lead to esophagitis, Barrett's esophagus, or strictures
- Medication Monitoring: Useful for tracking response to antacids, H2 blockers, or proton pump inhibitors
- Lifestyle Factors: Helps identify dietary triggers, meal timing issues, or positional factors
When to Seek Medical Attention
- Heartburn occurring more than twice weekly for several weeks
- Symptoms not relieved by over-the-counter medications
- Difficulty swallowing or pain when swallowing
- Unexplained weight loss with heartburn
- Vomiting blood or having black, tarry stools
- Chest pain with exertion (may indicate cardiac origin)
- New heartburn symptoms after age 50
CRITICAL: Cardiac vs. GI Differentiation
Heartburn can mimic cardiac symptoms. Red flags for cardiac origin include:
- Pain radiating to arm, jaw, or back
- Associated shortness of breath or sweating
- Pain with exertion rather than meals
- History of cardiac risk factors When in doubt, cardiac causes should be ruled out first.
Pattern Recognition
Tracking heartburn episodes can reveal:
- Food and beverage triggers (spicy, fatty, acidic, caffeine, alcohol)
- Relationship to meal size and timing
- Positional triggers (lying down, bending over)
- Medication effectiveness and timing
- Stress-related patterns
- Nocturnal symptom patterns
Caveats & Limitations
- Subjective severity assessment varies between individuals
- Cannot distinguish heartburn from other chest discomfort causes
- Does not capture regurgitation or other GERD symptoms separately
- Relies on user's ability to differentiate from cardiac symptoms
- No direct integration with pH monitoring or endoscopy data
Related Metrics
HKCategoryTypeIdentifierNausea
Often co-occurs; both GI symptoms that may share triggers
HKCategoryTypeIdentifierVomiting
May occur with severe reflux episodes
HKCategoryTypeIdentifierChestTightnessOrPain
Critical differential; cardiac vs GI origin
HKCategoryTypeIdentifierAbdominalCramps
May co-occur in GI disturbances
HeartRate
Helpful for differentiating cardiac from GI symptoms