Abnormal Pulsations in the Left Chest Artery - Cardiology

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Understanding abnormal pulsations in the left chest artery can be concerning, especially when accompanied by symptoms like arrhythmias and tachycardia. Based on your description, it seems you are experiencing unusual sensations in your chest, particularly in the area of the left chest artery, which may include forceful pulsations or a feeling of missed beats followed by a stronger heartbeat.
These sensations can be attributed to several potential causes, and it is essential to consider both cardiac and non-cardiac factors.
1. Cardiac Causes:
- Arrhythmias: You mentioned having a history of arrhythmias. These irregular heartbeats can lead to sensations of skipped beats or palpitations. When the heart beats irregularly, it can sometimes cause a feeling of a strong pulse in the chest or neck due to the increased force of contraction following a skipped beat.

- Increased Cardiac Output: Conditions that increase heart rate, such as anxiety, fever, or hyperthyroidism, can lead to a stronger pulse. If your heart is working harder, you may feel more pronounced pulsations in the arteries.

- Left Ventricular Hypertrophy (LVH): If there is an underlying condition causing the heart muscle to thicken (such as hypertension), this can lead to a stronger pulse sensation as the heart contracts more forcefully.

2. Non-Cardiac Causes:
- Musculoskeletal Issues: Sometimes, the sensation of pulsation can arise from musculoskeletal problems, such as muscle spasms or tension in the chest wall. This can create a feeling of pulsation that may mimic a heartbeat.

- Anxiety and Stress: Psychological factors can also manifest physically. Anxiety can lead to heightened awareness of bodily sensations, including heartbeats and pulsations, which may feel more pronounced during stressful periods.

3. Vascular Issues:
- Aneurysms or Vascular Malformations: Although less common, abnormalities in the blood vessels, such as an aneurysm, can cause unusual pulsations. This is typically accompanied by other symptoms and would require immediate medical evaluation.

Given your symptoms, it is crucial to consult with a healthcare professional who can perform a thorough evaluation. This may include:
- Electrocardiogram (ECG): To assess your heart's rhythm and identify any arrhythmias.

- Echocardiogram: To evaluate the structure and function of your heart, including checking for any hypertrophy or other abnormalities.

- Holter Monitor: A portable device that records your heart's activity over 24-48 hours to capture any irregularities that may not be present during a standard ECG.

In summary, while abnormal pulsations in the left chest artery can be related to various cardiac and non-cardiac issues, it is essential to seek medical advice for a proper diagnosis and management plan. Your healthcare provider will be able to determine the underlying cause of your symptoms and recommend appropriate treatment or lifestyle modifications to help alleviate your concerns.