Fast Heartbeat: Medication Effects and Health Concerns

Tachycardia

Hello Doctor: I have been experiencing persistent tachycardia for many years.
Initially, my cardiologist prescribed me 10 mg of a beta-blocker, advising me to take it when my heart rate increased.
Later, the dosage changed to one tablet in the morning and one in the evening.
While the medication helped, my heart rate would start to increase again after about five hours.
What could be the reason for this? I have been taking this medication for over two years and then switched to 40 mg of Carvedilol, taking one tablet after each meal, which has provided more stability.
Are these two medications similar in their effects? If they are, then the dosage of Carvedilol is significantly higher.
Are there any long-term adverse effects from taking these two medications that could impact my health? Recently, I switched to 1.25 mg of Bisoprolol, taking one tablet in the morning and one at bedtime.
Doctor, can you clarify if the effects of these three medications are the same? Additionally, I experience chest tightness along with the rapid heartbeat; are these three medications effective for both symptoms? I sincerely request your guidance.
Thank you.

Mr. Wang, 40~49 year old female. Ask Date: 2016/05/25

Dr. He Dongjin reply Cardiology

Hello, both Heart Rhythm Tablet 10mg and Kankin 1.25mg are similar medications.
They are beta-blockers, while Heart Kangle 40mg is a calcium channel blocker, and their effects should be comparable.
The choice of which medication to use depends on the patient's response.
There are generally no significant long-term side effects, so there is no need to worry.
Rapid heart rate is not life-threatening, and the efficacy of these medications is essentially similar.
They can be used to treat chest tightness and rapid heartbeat.
Changhua Hospital cares about you.

Reply Date: 2016/05/25

More Info

Understanding fast heartbeat, or tachycardia, is crucial for managing your health effectively, especially when it has been a long-term issue. It’s important to recognize that while a fast heartbeat can be concerning, it is not always indicative of a serious underlying condition.
From your description, it seems that you have been prescribed various medications over the years to manage your symptoms. Initially, you were given Propranolol (commonly known as Inderal), which is a beta-blocker. Beta-blockers work by blocking the effects of adrenaline on your heart, which helps to slow down your heart rate and reduce blood pressure. You mentioned that you took it as needed and then transitioned to a regular dosing schedule.
After some time, you switched to a different medication, likely a calcium channel blocker or another type of beta-blocker, referred to as "心康樂" (which could be a brand name). The fact that you found this medication to provide more stable results suggests that it may have a longer duration of action or a different mechanism that suits your body better.
Regarding your question about the differences between these medications, while both Propranolol and the newer medication you mentioned may serve to control heart rate, they can have different pharmacological profiles. Propranolol is primarily a beta-blocker, while the newer medication may have additional properties that affect heart rhythm or vascular resistance. The dosage difference you noted (40 mg versus 10 mg) does not necessarily mean that one is more effective than the other; it could simply reflect the different potencies and dosing regimens of the medications.

Long-term use of beta-blockers and other heart medications can lead to side effects, but these vary from person to person. Common side effects of beta-blockers include fatigue, cold extremities, and sometimes depression or sleep disturbances. Calcium channel blockers can also cause side effects such as swelling in the legs, dizziness, or constipation. It’s essential to have regular follow-ups with your healthcare provider to monitor for any potential side effects and to ensure that the medications are still effective for your symptoms.

You also mentioned experiencing chest tightness along with your fast heartbeat. This symptom can be related to anxiety, which is common in individuals who have experienced tachycardia. Anxiety can exacerbate feelings of a racing heart, leading to a cycle of worry and increased heart rate. It’s important to address both the physical and psychological aspects of your symptoms. Techniques such as mindfulness, relaxation exercises, or cognitive behavioral therapy can be beneficial in managing anxiety.

If you find that your heart rate continues to spike after medication, it may be worth discussing with your doctor the possibility of adjusting your dosage or exploring other treatment options. Additionally, lifestyle modifications such as reducing caffeine intake, managing stress, and ensuring regular physical activity can also help in managing your heart rate.

In summary, while your medications have been effective in managing your symptoms, it’s crucial to maintain open communication with your healthcare provider about any changes in your condition or side effects you may experience. Regular monitoring and adjustments to your treatment plan can help ensure that you maintain a good quality of life while managing your heart health effectively.

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