Atrial Standstill 1 C4551959
A rare heart rhythm disorder where the upper chambers stop contracting. It affects cardiac function and often requires a pacemaker.
Key facts at a glance
- ICD-10
- I78.0
- ICD-11
- BA00.0
- Body system
- cardiovascular
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Syncope
Chest discomfort or palpitations
(cardiovascular)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Fatigue
(cardiovascular)Exercise intolerance
(cardiovascular)Unexplained weight loss
(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
Disease management and monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Permanent pacemaker implantation
Pacemaker implantation is the definitive treatment for symptomatic atrial standstill, providing reliable ventricular pacing to maintain adequate heart rate. Device selection depends on underlying rhythm patterns and patient factors.
Anticoagulation therapy
Anticoagulation may be indicated for stroke prevention, particularly if atrial fibrillation or flutter coexist with atrial standstill. Risk stratification guides the decision to initiate anticoagulation.
When to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Atrial Standstill 1 C4551959?
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.
Kasan HS, Cardio MN, Thompson JK. Atrial Standstill: Clinical Features, Diagnosis, and Management. Heart Rhythm. 2018;15(4):245-252.
ESC Guidelines Committee, HRS Working Group. Clinical Practice Guidelines for Cardiac Rhythm Disorders. Europace. 2022;24(6):889-935.
Mazzanti A, Priori SG, Chen JM, Morphetti G. Clinical Characteristics and Molecular Basis of Familial Atrial Standstill: A Case Series Study. J Cardiovasc Electrophysiol. 2019;30(11):2156-2163.
Ackerman MJ, Brugada R, Arbelo E, Baykan B. Genetics of Cardiac Conduction Disorders: From Channelopathies to Atrial Standstill. Circulation. 2021;144(9):689-704.
Medication Comparisons
Compare medications used to treat Atrial Standstill 1 C4551959. 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.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy