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Can hypothyroidism cause tachycardia? My TSH level is 7.7 right now and I am feeling my heart rate is high from few days. Blood pressure is 100/70. HB is 11.70.
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Hypothyroidism and symptoms and signs tend to be the opposite to those of hyperthyroidism (for an overactive thyroid gland) and consist of slow heart rate and low blood pressure. Neither of these signs usually produce symptoms in patients. Prolonged hypothyroidism causes metabolic changes in the body and may produce elevated levels of cholesterol. We are aware that some types of elevated cholesterol levels may produce or aggravate narrowing of the coronary arteries. However, as heart rate and blood pressure are also lowered, the complications of angina or heart attack are relatively uncommon.
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