of Digital Blood Pressure Monitors in hypertension patients
Hypertension
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high blood pressure condition, affects millions of people in USA and increases
risk of stroke, cardiac failure and heart attack. Basic vital monitoring which
includes blood pressure (systolic & diastolic), pulse rate, temperature and
respiratory rate is very important for any medical condition. All these vitals
represent critical and important part of physiological functioning. Respiratory
Rate and Pulse rate does not require a medical instrument but other vitals are
dependent upon a medical monitoring device. Monitoring Vitals is most vital tool
for maintaining a fit and healthy life. Daily monitoring of such parameters can
give you a comprehensive picture of your health and may be one of the factors
influencing fitness targets in leading a healthy life.There are many medical
monitoring devices available for home care monitoring. There are trends seen to
combine multiple vitals in single device such as blood pressure Technological
advancement has made possible to measure blood pressure, temperature, pulse and
oxygen saturation level on daily basis at home and can be conveniently recorded
for charting and trending.and pulse rate is commonly combined in blood pressure
monitors. Blood Pressure measurement is done by external compression, There are
common two methods of blood pressure measurement: Auscultatory Method: Pressure
is applied to artery through external compression using a cuff and an air pump.
A stethoscope is used to listen to sound in the artery. Typically pressure is
gradually decreased in the cuff till a rhythmic pulse is emitted and heard from
the artery through stethoscope. This reading is called maximal blood pressure or
systolic blood pressure.As pressure is further decreased in the cuff, this sound
continues till it disappears. The pressure at which this sound stops is called
minimal blood pressure or diastolic blood pressure. This auscultatory method is
used by the physician, but also by an automatic measurement of the blood
pressure device. This is typically a mercury manometer device used and this
reading is considered gold standard. All readings have to be compared to this
gold standard. Mercury manometers can only be used in hospitals or by certified
medical professionals.Oscillometric Method: Oscillometric method is based on the
pulsation in the artery. Arterial pulsation is similar to noise emitted in the
artery in auscultatory method. When artery is compressed, no pulsation is
perceived by the device. When pressure is gradually decreased from the cuff,
artery starts emitting pulsations which are detected by the blood pressure
device. This reading is called maximal blood pressure or systolic blood
pressure. The pulsations are present even at decreasing pressure till it
disappears. At the cuff pressure where the pulsations stop is called minimal
blood pressure or diastolic blood pressure. This method is machine friendly and
is used in most of the digital blood pressure monitors available on the market.
Such digital blood pressure devices offer excellent reliability due to this
method. Digital blood pressure monitors are little less precise than
auscultatory method. Digital blood pressure monitors are automatic and offer
convenience of measuring blood pressure vitals by the patient himself and does
not require any medical knowledge. Hypertension, high blood pressure condition,
is defined as repeated blood pressure readings above normal range exceeding
14090mmHg (systolic blood pressure above 140mmHg and diastolic blood pressure
above 90mmHg). If only one of the readings is above normal reading, it is called
isolated hypertension. Isolated Systolic hypertension is common among geriatric
population. Often times
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blood pressure is found high in a medical office or clinical environment
(commonly termed as white coat hypertension). This is typically a false alarm
and is caused by anxiety or doctor's office environment. Readings taken at home
and away from hospital or doctor clinic can give an accurate picture of your
blood pressure. Chronic hypertension can potentially cause blood vessel changes
in the retina, renal failure, thickening of heart muscles and brain damage and
other diseases. Regular home check up and monitoring is the best method to avoid
these damages. Digital blood pressure monitors are the best source to monitor
and record daily readings. Not monitoring your blood pressure regularly will
result into medical emergencies and costly treatments. Regular exercise,
aerobics, weight reduction and salt restriction can alleviate
hypertension.Automatic blood pressure monitors are available from local pharmacy
stores and online. Such devices are manufactured by various medical device
companies such as SFO BioMedical Devices Inc. (http:
www.sfomedical). SFO Medical
offers two type of blood pressure monitors: wrist blood pressure monitor, arm
blood pressure monitor. Both of these types are FDA approved and are based on
oscillometric metric. These monitors offer additional features such as pulse
monitoring, memory for storing readings with date and time stamp,