Holter
Holter-monitoring represents the method of functional diagnosis allowing to exercise daily control of the electrocardiogram. Record ECG is carried out continuously from 24 hours to three days. Use for the purpose of control of an ECG a holter – small portable registrar which fixes round-the-clock work of heart and records data on its work per day with the computer. The cardiologist deciphers these records afterwards.
Holter-monitoring called in honor of the researcher Normann of J. Holter who for the first time put this device into practice in 1961.
At installation of the holter-monitor electrodes fasten to a thorax of the patient. Electrodes, in turn, are connected to the recorder. Of course, the patient feels certain discomfort during carrying the device, nevertheless, the research is very informative and exact that allows the cardiologist to define the exact diagnosis.
The program of data processing provides the analysis and definition of all types of disturbances of cardiac performance, in particular attacks of stenocardia and arrhythmia that allows to increase efficiency of treatment of cardiovascular diseases significantly.
To whom is holter-monitoring shown?
By means of a holter of an ECG appoint preferential for definition of disturbances of a cordial rhythm – episodes of a ciliary arrhythmia, extrasystoles and so forth which are quite heavy for finding when carrying out a short research – the usual electrocardiogram.
Sometimes, that some atypical reductions for a healthy cardiac muscle are shown only in the period of an active exercise stress, a strong emotional shock or in other situations. In these cases similar disturbances cannot be recorded by means of the usual electrocardiogram whereas at holter-monitoring the patient can lead the usual life: to do certain sport, to work, accept any position of a body, etc.
Also by means of a holter-research it is possible to define various disturbances of blood supply of a cardiac muscle, in particular change of a segment of ST at sports activities or an exercise stress.
Whether the holter-research on health of the patient can negatively affect?
The holter of an ECG does not represent any harm for health. There is no risk of defeat also electric current.
In order to avoid damage of the device during its carrying it is not recommended to take a bath or to float that water did not get inside. Also it is not recommended to pass during carrying a holter via the metal detector.
How the holter-monitor is installed?
Before the device is attached on the patient's body, to it recommend to take a shower as in the next days or even more he cannot take a bath and to remove the monitor.
On the patient's breast the doctor fixes electrodes and regulates their situation. Afterwards the doctor connects electrodes to conductings of the recorder which fastens on the patient's body by means of special belts.
The doctor instructs the patient, teaches it to keep the diary. It is necessary for correct interpretation of the data obtained from the device. The patient writes down the periods of a dream, wakefulness, physical activity, rest and all symptoms (breast pain, tachycardia, arrhythmia, etc.) with the exact indication of time.
After installation of the device and obtaining the list of instructions of the patient it can be restored to a rhythm, usual for it, to life and daily cares.
Holter-monitoring – the procedure absolutely painless. The patient tests small inconvenience only during carrying the device when wires and a box of the device disappear under clothes. During sleep it is not recommended to the patient to turn over on a stomach as electrodes at the same time can be displaced that will break data recording.
Results of a holter-research
The holter directly the cardiologist or the nurse removes. The patient provides to the doctor the diary of activity and symptoms which the doctor investigates together with data of the device.
Depending on a situation, the doctor makes the final diagnosis or sends the patient for additional inspection. If per day results of a holter-research did not allow to make to the doctor a certain picture, he can appoint to the patient temporary carrying the device which is writing down a cordial rhythm which the patient himself will activate during approach of alarming symptoms.
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