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A premature heart beat or extrasystole [1] is a heart rhythm disorder corresponding to a premature contraction of one of the chambers of the heart. Premature heart beats come in two different types: premature atrial contractions and premature ventricular contractions. Often they cause no symptoms but may present with fluttering in the chest or ...
Premature ventricular contractions may be associated with underlying heart disease, and certain characteristics are therefore elicited routinely: the presence of signs of heart disease or a known history of heart disease (e.g. previous myocardial infarction), as well as heart disease or sudden cardiac death in close relatives.
Sometimes, the apex beat may not be palpable, either due to a thick chest wall, or conditions where the stroke volume is reduced; such as during ventricular tachycardia or shock. The character of the apex beat may provide vital diagnostic clues: A forceful impulse indicates volume overload in the heart (as might occur in aortic regurgitation)
Vagus nerve induced palpitation is felt as a thud, a hollow fluttery sensation, or a skipped beat, depending on at what point during the heart's normal rhythm the vagus nerve fires. In many cases, the anxiety and panic of experiencing palpitations cause a patient to experience further anxiety and increased vagus nerve stimulation .
Beta-blockers slow the heart rate, lowering blood pressure and making the heart beat less forcefully. They’re prescribed to treat and prevent heart attacks, high blood pressure, and chest pain ...
A normal resting heart rate is 60 to 100 beats per minute. A resting heart rate of more than 100 beats per minute is defined as a tachycardia. During an episode of SVT, the heart beats about 150 to 220 times per minute. [9] Specific treatment depends on the type of SVT [5] and can include medications, medical procedures, or surgery. [5]
Inspect the head for: Cheeks for the malar flush of mitral stenosis. The eyes for corneal arcus and surrounding tissue for xanthalasma. Conjunctiva pallor a sign of anemia. The mouth for hygiene. The mucosa for hydration and pallor or central cyanosis. The ear lobes for Frank's sign. Then inspect the precordium for: visible pulsations; apex ...
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