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| What is called the Line of Marriage is that mark or marks, as the case may be, found on the side of the Mount under the fourth finger. I will first proceed to give all the details possible about these lines, and then call my reader's attentio... Read more of Signs Relating To Marriage at Palm Readings.org | Informational Privacy |
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Medical ArticlesCicatricial Stenosis Of The EsophagusEtiology.--The accidental swallowing of caustic alkali in sol... Symptoms Of Prolonged Foreign Body Sojourn In The Bronchus 1. The time of inhalation of a foreign body may be unknown ... Children's Nerves The nervous system of children is often damaged by shock or fr... Bedsores There are cases in which the outer skin has been taken off by ... Other Lesions Tricuspid insufficiency, except as rarely found in the fetus,... Cases Beyond The Remedy Of Fasting Occasionally, very ill people have a liver that has become so... Metallo-therapy Metallo-therapy has been defined as a mode of treating vari... The Teeth The Ivory Keepers Of The Gate Why the Teeth are Important. The teeth are a very important... Conditions Causing Change In Blood Pressure Woolley [Footnote: Woolley, P. G.: Factors Governing Vascular... Physics Of Mitral Stenosis Mitral stenosis, though less common than mitral regurgitation... Food In Health As will be seen from many of these articles, the question of d... Paralysis This serious trouble in slighter forms affects one side of the... Limbs Drawn-up We have had many cases of contracted limbs, arising from vario... Treatment Of Scarlatina Anginosa Or Sore-throat Scarlet-fever In _scarlatina anginosa_, or _sore-throat scarlet-fever_, whi... The Form Of The Thoracic Cavity And The Position Of The Lungs Heart And Larger Bloodvessels In the human body there does not exist any such space as cavi... Intermittent Fever Ague And Fever Use the A D current. First, give general tonic treatment. (Se... Giddiness And Trembling This comes very often as the result of loss of nerve power in ... Lungs Inflammation Of The This is a common trouble in our climate, and, fortunately, one... Lues Of The Esophagus Esophageal syphilis is a rather rare affection, and may show ... Digestion Digestion is the process whereby the food we eat is turned int... |
TechnicCategory: Uncategorized Source: Disturbances Of The Heart It is essential that the patient on whom the examination is to be made should be at rest, either comfortably seated, or lying down. All clothing should be removed from the arm, and there should be no constriction by sleeves, either of the upper arm or the axilla. When the blood pressure is taken over the sleeve of a garment, the instrument will register from 10 to 30 mm. higher than on the bare arm. [Footnote: Rowan, J. J.: The Practical Application of Blood Pressure Findings, The JOURNAL A. M. A., March 18, 1916, p. 873.] While it may be better, for insurance examinations, to take the blood pressure of the left arm in right handed persons as a truer indicator of the general condition, the difference is generally not great. The right arm of right handed persons usually registers a full 5 mm. higher systolic pressure than the left arm. The patient, being at rest and removed as far as possible from all excitement, may be conversed with to take his mind away from the fact that his blood pressure is being taken. He also should not watch the dial, as any tensity on his part more or less raises the systolic pressure, the diastolic not being much affected by such nervous tension. The armlet having been carefully applied, it is better to inflate gradually 10 mm. higher than the point at which the pulsation ceases in the radial. The stethoscope is then firmly applied, but with not too great pressure, to the forearm just below the flexure of the elbow. The exact point at which the sound is heard in the individual patient, and the exact amount of pressure that must be applied, will be determined by the first reading, and then thus applied to the second reading. One reading is never sufficient for obtaining the correct blood pressure. The blood pressure may be read by means of the stethoscope during the gradual raising of pressure in the cuff, note being taken of the first sound that is heard (the diastolic pressure), and the point at which all sound disappears, as the pressure is increased (the systolic pressure). The former method is the one most frequently used. By taking the systolic and diastolic pressures, the difference between the two being the pressure pulse, we learn to interpret the pressure pulse reading. While the average pressure pulse has frequently been stated as 30 mm., it is probable that 35 at least, and often 40 mm. represents more nearly the normal pressure pulse, and from 25 mm. on the one hand to 50 on the other may not be abnormal. Faught [Footnote: Faught: New York Med Jour., Feb. 27, 1915, p. 396.] states his belief that the relation of the pressure pulse to the diastolic pressure and the systolic pressure are as 1, 2 and 3. In other words, a normal young adult with a systolic pressure of 120 should have a diastolic pressure of 80, and therefore a pulse pressure of 40. If these relationships become much abnormal, disease is developing and imperfect circulation is in evidence, with the danger of broken compensation occurring at some time in the future. It should be remembered that the diastolic pressure represents the pressure which the left ventricle must overcome before the blood will begin to circulate, that is, before the aortic valve opens, while the pressure pulse represents the power of the left ventricle in excess of the diastolic pressure. Therefore it is easy to understand that a high diastolic pressure is of serious import to the heart; a diastolic pressure over 100 is significant of trouble, and over 110 is a menace. Next: Factors Increasing The Blood Pressure Previous: Blood Pressure
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