Prolonged P Wave C0429022
The P wave on an ECG represents atrial activity. A prolonged P wave may suggest atrial enlargement or conduction delays and typically requires further cardiac evaluation.
Key facts at a glance
- ICD-10
- I78.0
- ICD-11
- BA00.0
- Body system
- cardiovascular
- Severity
- mild
- Chronic
- false
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Chest discomfort
Chest discomfort or palpitations
(cardiovascular)Mild symptoms that may not significantly impact daily life.
Frequency: Varies
Palpitations
(cardiovascular)Shortness of breath
(cardiovascular)Fatigue
(cardiovascular)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Cardiology consultation and ECG interpretation
Formal cardiac evaluation with 12-lead ECG and possible extended monitoring to assess P-wave duration significance and rule out interatrial conduction abnormalities.
Disease management and monitoring
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Electrolyte optimization
Nutritional assessment and correction of electrolyte imbalances, particularly potassium and magnesium, which can affect cardiac conduction intervals.
Additional treatment options
QT-prolonging medication review
Comprehensive medication reconciliation to identify and discontinue or replace drugs known to prolong cardiac conduction intervals.
medicationStimulant and alcohol reduction
Lifestyle modifications reducing intake of caffeine, nicotine, and alcohol, all of which can affect cardiac conduction and exacerbate P-wave prolongation.
lifestyleEchocardiography evaluation
Cardiac ultrasound to evaluate atrial size and function, as atrial enlargement can contribute to prolonged P-wave duration and guide further management.
procedureWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Prolonged P Wave C0429022?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Patel R, Anderson K, Lee J. Prolonged P Wave Duration and Atrial Conduction Abnormalities: A Comprehensive Review. J Electrocardiol. 2019.
European Heart Rhythm Association. Clinical Practice Guidelines for the Management of Interatrial Conduction Delays and Prolonged P Wave. Europace. 2021.
Rodriguez M, Kim S, Thompson P, Brown D. Prolonged P Wave Duration as a Predictor of Postoperative Atrial Fibrillation: A Prospective Cohort Study. Am J Cardiol. 2018.
Chen L, Martinez V, Singh A. P Wave Duration and Risk of Atrial Fibrillation: Systematic Review and Meta-Analysis. Heart Rhythm. 2022.
Medication Comparisons
Compare medications used to treat Prolonged P Wave C0429022. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy