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  • admin 12:51 am on June 19, 2014 Permalink
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    Some Questions About Fingertip Pulse Oximeter

    Fingertip Pulse Oximeter

    What is a fingertip pulse oximeter?
    How does a fingertip pulse oximeter work?
    What does a pulse oximeter measure?
    What does oxygen saturation level means?
    Reasons for measuring oxygen saturation level.
    Types of oximeter readings.

    What is a fingertip pulse oximeter?

    It is a device used for measuring blood oxygen saturation using electrical sensors placed on a fingertip.

    How does a fingertip pulse oximeter work?

    An oximeter uses two light-emitting diodes generating red and infrared lights to a translucent part of body like fingertip. Tissues and blood vessels within the fingertip normally absorb a constant amount of light over time. The ratio of light absorbed as the heart contracts and relaxes and blood volume increases and decreases is translated into an oxygen saturation measurement.

    What does a pulse oximeter measure?

    Pulse oximeter measures the oxygen saturation of haemoglobin in arterial blood described as SpO2. Most oximeters also display pulse rate and a pulse waveform/bar graph depicting the strength of the pulse

    What does oxygen saturation level means?

    Red blood cells contain haemoglobin. One molecule of haemoglobin can carry up to four molecules of oxygen after which it is described as “saturated” with oxygen. If all the binding sites on the haemoglobin molecule are carrying oxygen, the haemoglobin is said to have a saturation of 100%.

    Most of the haemoglobin in blood combines with oxygen as it passes through the lungs. A healthy individual with normal lungs breathing air will have an arterial oxygen saturation of 95% – 100%.

    Reasons for measuring oxygen saturation level.

    Human life can not be sustained without oxygen. All body organs require oxygen for metabolism but the brain and heart are particularly very sensitive to lack of oxygen and a serious shortage of oxygen ( Hypoxia) for a few minutes can be fatal.

    In a clinical setting pulse oximetry may be performed to assess the adequacy of oxygen levels (or oxygen saturation) in the blood in a variety of circumstances such as heart attack, congestive heart failure, chronic obstructive pulmonary disease (COPD), anaemia, lung cancer, asthma, pneumonia, cystic fibrosis,emphysema, cystic fibrosis, occupational lung diseases like asbestosis, silicosis, farmer’s lung, There may be other reasons for your doctor to recommend pulse oximetry

    Types of oximeter readings.

    Spot-check

    These compact finger tip devices can be used to obtain a single reading quickly usually in about 30 seconds and is easy to carry and increasing number of health care professionals carry this in their coat pocket.

    Continuous readings

    Some wrist worn type of oximeters with small finger tip probes allow for continuous reading and commonly used by athletes, joggers, in adventure sports, during mountain climbing and also in health care settings like sleep studies.

    Continuous Remote Monitoring

    Some oximeters commonly used in hospitals can be used for remote monitoring where readings can be transmitted through cable or bluetooth wireless connectivity to a remote display unit where readings for several patients are monitored in a central unit.

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  • admin 3:16 am on June 18, 2014 Permalink
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    There Are A Variety Of Advancements Made To The Cardiac Monitor

    The days of keeping a patient in the hospital for cardiac monitoring are over. Many patients cannot afford to spend the night in a hospital because the costs are too high. Additionally, most patients have no need to spend the night in a hospital since they are only having their heart monitored. With modern technology, it is possible for doctors to monitor cardiac activity while allowing patients to live their lives in a normal way.

    There are a variety of advancements made to the cardiac monitor that are highly beneficial to doctors and patients.

    Real-Time Activity

    The problem with old-fashioned cardiac monitoring was that the results had to be downloaded from a mobile machine. A patient would have to wear a monitor for 24 hours and then go into the doctor’s office for the results to be seen. Now, doctors can either schedule the results to be sent or patients can hit a button to send the results. All of the numbers can be seen in real-time, ensuring that cardiac monitoring is done properly.

    Wireless

    There is no need for patients to be strapped to the bed for cardiac monitoring anymore. While patients will still have wires on them and to the machine, nothing has to be plugged in. Many are able to wear a monitor and go to the grocery store and even work so they can proceed through the day as normal. New technology has provided batteries that last longer and are lighter so that patients can have a more productive day – and have their heart monitored outside of hospital walls.

    Mobile

    Mobility is a huge benefit as a result of modern technology. Computer chips have gotten smaller and new materials have been used in order to provide a mobile cardiac monitor. The primary benefit is that doctors can learn about a patient’s cardiac activity while they do day to day tasks. The secondary benefit is that the data can be sent over a wireless connection so that doctors have more mobility as well. There are many doctors that work in their own practice as well as in a hospital. If they have a patient in the hospital for cardiac monitoring, it would be impossible to spend time at their practice.

    Now with mobile monitors, doctors can essentially be in two places at once. With the other benefits to the mobile monitors, doctors can get alerted if there is a problem with a patient so they know what location they need to be in.

    Alerts

    Alerts can actually be sent to the doctor when cardiac monitoring shows something that could be troubling. This will ensure that a doctor can call the patient and find out what they are doing or order them to come into the hospital if there are unusual rhythms or a high/low pulse situation. Doctors are able to monitor more patients when they can receive alerts, making it possible for more patients to get a higher level of healthcare.

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  • admin 1:03 am on June 16, 2014 Permalink
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    There Are Three Features Found In Cardiac Monitors That Make All Of This Possible

    A cardiac monitor is something that patients where in order to have constant communication with the cardiologist or doctor. New technology has made these devices more effective and more personable than ever before. They are comfortable to wear and patients are no longer strapped to a hospital bed in order to have their heart monitored. This allows patients to be more comfortable and doctors to stay on top of their patients more effectively.

    There are three features found in cardiac monitors that make all of this possible. Finding such a monitor makes it simple for the doctor and the patient to have a heart monitored – and it is in both interests to find such a model on the market to be used.

    A Wireless Feature

    A cardiac monitor is going to be wireless as well. This means that information can be submitted over a wireless connection so that a doctor does not have to be in the same room as a patient in order to find out what kind of events are taking place inside the heart. Traditionally, the monitor would have to be plugged into a computer in order for details to be downloaded. This is not the case anymore – and this allows for significant amount of mobility and added productivity.

    A Strong Battery

    Strong batteries are found in cardiac monitor is now as well. This allows patients to go about their normal day while still wearing a monitor. They are not required to stay in a hospital bed in many instances. They also will not have to be tied down to any specific area because there are no cords plugged into the wall. The strong battery allows them to go for extended periods of time while wearing the monitor in order to submit a significant amount of documentation to the doctor.

    Cloud Backend

    Many of the cardiac monitors report to an app. Doctors will have the app on their tablet or smartphone and there is a cloud backend as well. This cloud device is what will communicate between the app and the doctor. Doctors will be able to get all of the information from the monitor with the press of a button. They can also communicate with the patient if there is any kind of event on the monitor that shows any cause for concern.

    More apps are developing a cloud backend because of the need to process the data further than what an app can do. All of the data can be stored in a cloud – and this allows doctors to download the information to a patient file and even transfer it to a different medical facility where the patient will be.

    With all of these great features, it is no wonder why more doctors are using a cardiac monitor. Patients who need to have their heart monitored need to ask for these advanced models in order to gain all of the conveniences that are offered by them.

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  • admin 1:04 am on June 12, 2014 Permalink
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    The New Technology Used In The Cardiac Monitor

    The standard cardiac monitor that has been available in the healthcare industry for years is designed to monitor the heart’s activity. This includes the pulse rate as well as the rhythm. For those with cardiac disease as well as those who have recently had a heart attack or stroke, the monitor is used to let doctors find out what is going on. It can be used to catch problems early on and ensure that a person is getting the level of healthcare they need.

    Traditionally, the cardiac monitor was a large machine that was found in hospitals as well as some doctor offices. When a person needed to be monitored, they were hooked up to the machine with a variety of leads. In many instances, the person would have to stay overnight at the hospital for monitoring. Between the equipment, the doctor visits, and the overnight, the bill would be very expensive.

    Even those with health insurance would feel the financial burden because of the out of pocket expenses. People would still be responsible for some of the costs – and this led those in the technology industries to look at making improvements.

    Today, it’s possible to find mobile cardiac monitors that allow a person to have their cardiac activity monitored from the comfort of their own home. The units are much smaller and there are less leads connected to the person. Much of the information can be transported via a wireless connection so that doctors can view the activity in real-time.

    Depending upon the technology used in the cardiac monitor, doctors will be able to get alerts when the activity is in need of immediate monitoring. This can ensure that patients are getting the level of care they need. If something on the monitor is cause for concern, the doctor can find out about it and request that the patient go right to the hospital in order to meet with the doctor.

    As new technology comes out with more mobile devices, smaller computer chips, and other forms of telemetry, patients around the country are able to see improvements in the way they can have their heart monitored. There are no more overnight stays at the hospital simply for having the heart monitored. This allows patients to lead a normal life – and even go to work while having their heart monitored.

    Doctors and patients both find that the cardiac monitor has changed for the better, ensuring that money is saved and results are seen in real-time. No one has to worry about not being able to share results with the doctor. They can be downloaded from the device or sent electronically, depending upon the model.

    New technology has made improvements all across the healthcare industry. The next time someone needs their heart monitored, it is of the essence to look into a mobile cardiac monitor simply because it is more cost effective and more productive in terms of the results that it can provide.

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  • admin 2:19 am on June 11, 2014 Permalink
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    An Introduction To DIMETEK Heart Monitor

    DIMETEK Heart Monitor, a single-channel ECG (electrocardiogram) recorder, previously available by prescription only. The device is available now for pre-order purchase with shipments beginning in March.

    The DIMETEK Heart Monitor provides people with suspected or diagnosed heart conditions, and those at risk of heart conditions, the ability to track their heart health anytime, anywhere, at an affordable cost. Health professionals and patients have reported using the device to detect, monitor and analyze irregular heart rhythms.

    “Over-the-counter access to mobile health devices has the potential to change the way consumers manage their overall health, facilitate preventative medical care and save both patients and healthcare professionals time,” stated Euan Thomson, president and CEO DIMETEK. “We are pleased to now provide easier access to our innovative Heart Monitor and with the help of healthcare professionals provide timely analysis of data to all users.”

    The DIMETEK Heart Monitor’s medical grade ECG recordings can be shared directly with a user’s physician, or sent to a U.S. board-certified cardiologist or a U.S. based cardiac technician through AliveInsights, an analysis service that offers expert review of ECGs directly through the free AliveECG app. Recordings are then reviewed and analyzed providing users with a more complete picture of their current heart health.

    The DIMETEK Heart Monitor is the only FDA-cleared mobile ECG recorder that supports both iPhone and Android smartphones. It records, displays, stores and transfers single-channel ECG rhythms wirelessly, using the free AliveECG app. With secure storage in the cloud, users can access their data confidentially anytime, anywhere, and can grant access to their physician.
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  • admin 12:47 am on June 10, 2014 Permalink
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    DIMETEK’s New ECG Monitor Connect With 3G Cellular Module

    DIMETEK Medical Systems, a leading global supplier of advanced remote monitoring solutions for tele-health and telecare, will showcase the world’s smallest and most accurate hand-held 12 Lead ECG monitor at the GSMA Mobile World Congress.

    The company will present the mini-sized monitor at WMC 2014, which will take place in Barcelona on February 24-27. The new ECG device will be presented together with DIMETEK’s other innovative telemedicine solutions at the Israeli Pavilion, Hall 5, Booth #5C81.

    DIMETEK will present the latest model of its HeartView ECG product line for the first time. The new HeartView? P12/8 Mobile is a 12-lead ECG event recorder/transmitter for personal use, which has an incorporated 3G cellular module enabling the seamless transmission of a patient’s recorded ECG to the call center or to the physician’s email.

    The HeartView P12/8 Mobile is a powerful ECG device with high-resolution 12-lead ECG recording technology which is specifically designed for easy patient use.

    The device enables the transmission of comprehensive ECG data from any place at any time. The recorded ECG transmitted to a call center that has the HRS (Heartline Receiving Station) software for immediate diagnosis.

    The HeartView devices allow:

    Diagnosis of cardiac symptoms
    Remote monitoring of chronic heart patients
    Recording and transmission of an ECG to a cardiac call center
    Cardiac analysis for clinical studies?

    “DIMETEK’s new ECG mobile solutions are geared towards improving patients’ quality of life by enabling remote monitoring of chronic heart patients,” said David Rubin, DIMETEK’s president and CEO. “MWC 2014 will allow us to showcase the most advanced ECG mobile solutions offered today.”

    Over the past 16 years, DIMETEK has achieved a leading position as a developer of telemedicine and telecare devices. DIMETEK’s medical devices are used on a daily basis, supporting millions of people in more than 20 countries.
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  • admin 12:45 am on June 6, 2014 Permalink
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    The Recommendations For The Use Of Ambulatory ECG For Assessing Symptoms Of Arrhythmia

    The American College of Cardiology (ACC) and the American Heart Association (AHA), in collaboration with the North American Society for Pacing and Electrophysiology, have developed guidelines for the use of ambulatory electrocardiography (ECG). The guidelines include recommendations for the evaluation of symptoms of cardiac arrhythmias; for risk assessment in patients who have sustained a myocardial infarction, have congestive heart failure (CHF) or have hypertrophic cardiomyopathy; for the evaluation of antiarrhythmic therapy, or pacemaker or implantable cardioverter-defibrillator function; and for the evaluation of possible myocardial ischemia. There is also a section on the use of ambulatory ECG for the evaluation of children with cardiac symptoms.

    The eight-page executive summary of the guidelines appears in the August 24, 1999 issue of Circulation. The guidelines are published in their entirety in the September 1999 issue of the Journal of the American College of Cardiology. The complete guidelines are also available on the above-mentioned ACC and AHA Web sites. A single reprint of the executive summary (reprint no. 71-0171) can be obtained by calling 800-242-8721 or writing the American Heart Association, Public Information, 7272 Greenville Ave., Dallas, TX 75231-4596. Reprints of the complete guidelines (reprint no. 71-0172) cost $5 and can be obtained by calling 800-253-4636 or writing the American College of Cardiology, Resource Center, 9111 Old Georgetown Rd., Bethesda, MD 20814-1699.

    The recommendations are classified according to the system used by the ACC and AHA. The classification system is as follows:

    Class I—Conditions for which there is evidence and/or general agreement that a given procedure or treatment is useful and effective.

    Class II—Conditions for which there is conflicting evidence and/or a divergence of opinion about the usefulness/efficacy of a procedure or treatment. Class IIa—The weight of evidence/opinion is in favor of usefulness/efficacy. Class IIb—The usefulness/efficacy is less well established by evidence/opinion.

    Class III—Conditions for which there is evidence and/or general agreement that the procedure/treatment is not useful/effective, and in some cases may be harmful.

    The recommendations for the use of ambulatory ECG for assessing symptoms of arrhythmia, the risk of arrhythmias, the efficacy of antiarrhythmic therapy, the function of pacemakers and implantable cardioverter defibrillators and monitoring myocardial ischemia.
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  • admin 1:21 am on June 5, 2014 Permalink
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    Analysis Of Symptoms Of Cardiac Arrhythmias

    The guidelines state that one of the primary and most widely accepted uses of ambulatory ECG is determining the association of a patient’s transient symptoms to cardiac arrhythmias. The crucial information needed is the recording of an ECG during the precise time that the symptom is occurring. The recommendations note that the yield of ambulatory ECG monitoring in syncope is relatively low. However, because of the severity of symptoms, such testing is usually warranted. The yield of ambulatory monitoring that captures an episode of palpitation is higher than the yield in patients with syncope. Ambulatory ECG monitoring may also be indicated in the evaluation of other symptoms that may be related to cardiac abnormalities, such as intermittent shortness of breath, unexplained chest pain, episodic fatigue or diaphoresis.

    The indications for ambulatory ECG monitoring for symptoms of arrhythmia are as follows:

    Class I—(1) Patients with unexplained syncope, near syncope or episodic dizziness without obvious cause. (2) Patients with unexplained recurrent palpitation.

    Class IIb—(1) Patients with episodic shortness of breath, chest pain or fatigue that is not otherwise explained. (2) Patients with neurologic events when transient atrial fibrillation or flutter is suspected. (3) Patients with symptoms such as syncope, near syncope, episodic dizziness or palpitation in whom a probable cause other than an arrhythmia has been identified but in whom symptoms persist despite treatment of this other cause.

    Class III—(1) Patients with symptoms such as syncope, near syncope, episodic dizziness or palpitation in whom other causes have been identified by history, physical examination or laboratory tests. (2) Patients with cerebrovascular accidents, without other evidence of arrhythmia.
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  • admin 1:07 am on June 4, 2014 Permalink
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    Intermittent Short ECG Recorder Is More Effective In Detection Of Arrhythmias

    Many patients report symptoms of palpitations or dizziness/presyncope. These patients are often referred for 24-hour Holter ECG, although the sensitivity for detecting relevant arrhythmias is comparatively low. Intermittent short ECG recorder over a longer time period might be a convenient and more sensitive alternative. The objective of this study is to compare the efficacy of 24-hour Holter ECG with intermittent short ECG recorder over four weeks to detect relevant arrhythmias in patients with palpitations or dizziness/presyncope.

    Intermittent short ECG recorder during four weeks is more effective in detecting AF and PSVT in patients with ambiguous symptoms arousing suspicions of arrhythmia than 24-hour Holter ECG.

    Patient-operated intermittent ECG recorders could potentially improve the diagnosis of transitory ECG changes in such patients and may give results comparable to standard external loop event recorders [5,6]. The advantage of such devices compared to standard external loop event recorders is that they are reasonably priced and easy to use, especially as no external electrodes are necessary.

    Even when using (handheld or standard external loop) event recorders, episodes of an arrhythmia may be missed as the correlation between symptoms and relevant arrhythmias is often not very strong. In atrial fibrillation (AF), for example, it is known that only one in 10 paroxysms is symptomatic [7]. The European Heart Rhythm Association stated in a 2011 position paper on palpitations that it is especially important to exclude AF as the underlying cause of symptoms in patients with palpitations of unknown origin, as AF is associated with an increased risk of thrombo-embolism [8-10]. Recent studies show that intermittent ECG recorder with both regular and symptomatic registrations detects more episodes of silent AF in patients with known paroxysmal atrial fibrillation compared with 24-hour Holter ECG [11] and improves the detection of previously unknown asymptomatic paroxysmal atrial fibrillation (AF) in post-stroke patients.

    The objective of this study is to compare the efficacy of short intermittent ECG registrations with 24-hour Holter ECG, in detecting relevant arrhythmias in patients reporting symptoms of palpitations and dizziness/presyncope.

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  • admin 1:14 am on May 30, 2014 Permalink
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    How To Read The Symptoms Of Cardiac Arrhythmias From Ambulatory ECG

    The guidelines state that one of the primary and most widely accepted uses of ambulatory ECG is determining the association of a patient’s transient symptoms to cardiac arrhythmias. The crucial information needed is the recording of an ECG during the precise time that the symptom is occurring. The recommendations note that the yield of ambulatory ECG monitoring in syncope is relatively low. However, because of the severity of symptoms, such testing is usually warranted. The yield of ambulatory monitoring that captures an episode of palpitation is higher than the yield in patients with syncope. Ambulatory ECG monitoring may also be indicated in the evaluation of other symptoms that may be related to cardiac abnormalities, such as intermittent shortness of breath, unexplained chest pain, episodic fatigue or diaphoresis.

    The indications for ambulatory ECG monitoring for symptoms of arrhythmia are as follows:

    Class I—(1) Patients with unexplained syncope, near syncope or episodic dizziness without obvious cause. (2) Patients with unexplained recurrent palpitation.

    Class IIb—(1) Patients with episodic shortness of breath, chest pain or fatigue that is not otherwise explained. (2) Patients with neurologic events when transient atrial fibrillation or flutter is suspected. (3) Patients with symptoms such as syncope, near syncope, episodic dizziness or palpitation in whom a probable cause other than an arrhythmia has been identified but in whom symptoms persist despite treatment of this other cause.

    Class III—(1) Patients with symptoms such as syncope, near syncope, episodic dizziness or palpitation in whom other causes have been identified by history, physical examination or laboratory tests. (2) Patients with cerebrovascular accidents, without other evidence of arrhythmia.
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