Sick Sinus Syndrome

Sick sinus syndrome is a disorder of the natural pacemaker of the heart leading to abnormal heart rate. Coronary heart disease, atrial fibrillation, hypothyroidism, etc., are the cause of sick sinus syndrome. Dizziness, fainting, heart palpitations, chest pain, etc., are the symptoms of this condition. Artificial pacemaker placement, medications, etc., are the treatment for sick sinus syndrome.

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I have symptoms of breathlessness even after having a pacemaker. Please help.

Query: Hi doctor, I have done ECG strip analysis. I have symptoms of breathlessness on climbing stairs. I am having a DDDR-CLS rate-responsive dual-chamber pacemaker. I have type diabetes, hypertension, hypothyroidism, and Parkinson's syndrome.   Read Full »

Dr. Muhammad Zohaib Siddiq

Answer: Hi, Welcome to Your ECG (electrocardiogram) seems to be normal (attachment removed to protect patient identity). Your rate, rhythm, axis, and everything are within the range. Please mention the reason for having DDDR (dual chamber rate-adaptive pacemaker) implantation and when you did...  Read Full »

How to manage oxygen desaturation in a CHF patient?

Query: Hello doctor,I have congestive heart failure (heart failure with preserved ejection fraction - HFpEF) diagnosed by stress echocardiography test where E/E' ratio was 11 at rest, and E/E' ratio increased to 15 post-exercise. There are frequent episodes of oxygen desaturation whenever the heart is stre...  Read Full »

Dr. Isaac Gana

Answer: Hello, Welcome to Based on my experience in similar cases, people that have mild or moderate CHF do not have oxygen desaturation at rest or stress. It is usually when there is an associated lung disease, which you said there is not, or when there is the presence of severe heart failu...  Read Full »

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