What is Hyper Function of the Thyroid Gland?

In this condition, due to the overactivity of the thyroidtachycardia, atrial fibrillation, congestive heart failure
gland, there is an increased production of thyroidmay occur, and one may think of a basic heart
hormones which are constantly pushed into the blood,problem rather than a thyroid disease.
so that the whole metabolism of the body getsAnother symptom of an overactive thyroid gland is a
elevated.loss of weight in spite of an increased appetite. The
As explained above, solitary nodule/s in a thyroid gland,skin is moist and warm even in cold weather, and one
or nodule/s of a multinodular goiter may becomecan easily feel this by touching the hands of the
responsible for the overactivity of the thyroid gland.patient. Especially in Graves' disease, the eyes may
The whole thyroid gland may become enlarged inlook prominent, or may even bulge out (exophthalmos).
many middle-aged or younger persons. The bloodEarly symptoms/warning signals of a hyperactive
supply in such an enlarged gland may be increasedthyroid gland:
markedly, so that on placing a hand on such a thyroidIn spite of the above symptomatology, the patient is
gland, a thrill may be felt. This autoimmune thyroidoften late in reporting his problem, may be more than a
disease is called Graves' disease - named afteryear, in some of the cases. Hence, whenever, one
Robert Graves.observes symptoms like palpitation, especially when
As a result of the increased metabolism/ activity ofthere is an increased pulse rate in sleep, nervousness,
the body, the patient feels restless, tense or excited,loss of weight, one must look for a swelling/ nodule/ s
and even emotionally upset. Fine tremors of the fingersin the thyroid and/or immediately consult the physician.
hands are usually noticed when the patient is asked toIt is not unusual to see the patient with a reasonably
stretch forward both his arms with fingers openedenlarged thyroid gland and he/she is totally unaware of
wide.it.
Due to the same reason, the heart rate is markedlyThe disease may actually remain hidden for quite a
increased, and palpitation is a normal complaint. Thelong time, and may be precipitated when the patient
pulse, while sleeping should be counted to differentiatefeels mentally upset due to unforeseen circumstances.
the condition from nervousness/anxiety, in which caseOne should be more cautious when there is a positive
the pulse rate should be normal. On measuring thefamily history of Graves' disease.
blood pressure, the upper or systolic blood pressureLate cases of hyperactive thyroid gland:
should be elevated, and the lower or diastolic shouldHowever, if the patient has neglected his ailment, all
show a lower level. The difference between thesethrough, weakness of the muscles of the limbs may
two readings of blood pressure is called pulsedevelop (thyrotoxic myopathy). He may even suffer
pressure, which increases in such cases.from a serious disorder / emergency called thyrotoxic
In some cases, and more so in young patients, othercrisis.
manifestations of the heart, like supraventricular