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JORGENSEN J1010, Руководство пользователя

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JORGENSEN J1010 Скачать руководство пользователя страница 18

23

Wandering Baseline

Appears on the ECG as a fluctuation of the tracing up and 
downward on the grid.

Causes:
• Dirty or corroded electrodes
• Loose electrodes or electrodes positioned on a bony area
• Insufficient or dried out Alcohol or Electrode Gel
• Rising and falling of chest during normal or apprehensive

respiration

When wandering baseline occurs:
• Clean skin with alcohol or acetone if necessary
• Reposition electrodes
• Check the electrode connections
• Assist the patient in relaxation

Other

When an electrosurgical unit is used with the cardiograph, noise 
generated by an ESU is superimposed on the ECG waveforms.

Equipment in the same room as the cardiograph may generate 
noise which is superimposed on the ECG waveforms.
• Noise generated by an electrosurgical unit
• Noise from AC power line
• Spike noise caused by electrostatic energy as shown below

.

15

Содержание J1010

Страница 1: ...SINGLE CHANNEL ECG and MONITOR J1010 ...

Страница 2: ......

Страница 3: ...From Your ECG Introduction Features Grounding Battery Operation Loading the ECG Paper Keypad Features Descriptions of Functions On The Screen Attaching the Limb Electrodes Problem Solving with Cats Troubleshooting Reference Articles Warranty and Maintenance 1 2 4 4 4 5 5 6 9 11 12 13 16 27 ...

Страница 4: ...RVET SINGLE CHANNEL ECG J 1010 FRONT PANEL Carry Handle Fuses BACK PANEL Ground A C Cord Plug in BOTTOM PANEL ON OFF Switch RIGHT SIDE Patient Lead Analog port Computer port not supported on this model 1 ...

Страница 5: ...ive heart disease should have follow up tracings as part of maintenance and control of the disease Electrolyte imbalances such as Addison s disease Breeds with predispositions to heart disease such as Persian cats and Doberman Pinschers Geriatric exams can be greatly enhanced by the addition of a LEAD II rhythm strip screening Should suspicious tracings exist then a full 6 lead cardiograph analysi...

Страница 6: ...its surroundings Establishing contact with the patient is important especially for the person administering the ECG Consider owner participation in cases of small dogs or cats or animals that are especially frightened Small patients may be placed on the lap of the owner or of another technician if it will alleviate stress Some dogs will tolerate the procedure much better if standing on the floor r...

Страница 7: ...hargeable NiMH 12 volt battery will support approximately 50 patient examinations depending on length of examinations Keypad one touch buttons allow for easy set up and operation LED screen is well lit and easy to read Lead strips print patient information form AUTO mode as well as sensitivity paper speed and filter settings AUTO and MANUAL modes provide optimal customization for diagnostic Interp...

Страница 8: ... OFF battery icon should be illuminated in upper right corner of screen If battery icon is white battery is fully charged and ready to use battery icon will empty as battery is depleted The cardiograph will turn itself off after 5 minutes of non use Press ON OFF to resume During long term storage or extended periods of non use recharge the battery every 6 months Always check battery level on the s...

Страница 9: ...ting 2 MODE Mode switching button Used to switch among various recording modes Manual 1 Manual 2 Auto 1 Auto 2 In the menu setting status used to select options maneuver in the menu 3 Reset Closing button In standby status used to close the lead signal In menu setting used to select options maneuver in the menu 4 OK Confirm Button Confirm the selection of the options in the menu or enter into the ...

Страница 10: ... OF BASE LINE on ECG printout 1X Thinnest 2X Default 3X 4X Thickest III EXTERNAL RECORD Turn on off record of external input Signal this should be set to off IV LCD Contrast Adjusts contrast on LCD screen from 1 16 default 7 V LAUNGAGE SET Chinese English Russian Default is English VI AC FREQUENCY Setting the A C frequency Default should be set to 50 Hz VI PRINTER TEST Tests printer function press...

Страница 11: ...o choose option 1 or 3 leads A B C D E F G B Sensitivity Selection works ONLY in Manual 1 2 Mode Choose manual 1 or manual 2 mode by pressing up arrow on left side of screen Sensitivity or waveform Height can then be adjusted from 2 5 mm mV 5mm mV 10mm mV 20mm mV AUTO mode selects this automatically This feature increases or decreases sensitivity of the tracing depending on the size of the QRS com...

Страница 12: ... the on off of display screen only Descriptions of Functions on the Screen Filter settings Heart Rate ECG lines to be Battery AC Icon printed highlighted by the black box Printer status Paused Printing Sound Tag not applicable in this model Record Mode Record Speed Sensitivity Auto 1 Auto 2 Manual 1 Manual 2 Auto 1 Prints one line of ECG highlighted by black box on left and automatically switches ...

Страница 13: ...h between leads I II III AVR AVL AVF you must manually switch leads to be printed Manual 2 Prints two lines of ECG highlighted by black box on left and DOES NOT automatically switches between leads I II III AVR AVL and AVF if only one line of ECG is seen on the screen Manual 2 is not applicable 10 ...

Страница 14: ...a small amount of 70 alocohol or electrode gel on the s e c a f r u s t c a t n o c of the electrodes 4 Clip the cleaned electrode site with the electrode PATIENT CABLE TIP COLOR COATING Firmly insert the lead tip of the patient cable to the electrode matching the tip color and electrode site Refer to the table below LEAD CONNECTION AHA STANDARD SITE RIGHT FORE LIMB LEFT FORE LIMB RIGHT REAR LIMB ...

Страница 15: ...gn with the cat s axis the signal is small and sometimes cancels Therefore by moving RA more centrally onto the cat s body above the top and LL onto the cat s body below the bottom of the heart a much larger signal will be obtained The plane in which the cat s heart lies within its body may also vary The top of the heart may be more dorsal and the bottom more ventral In this case we would refer to...

Страница 16: ...TIONS Loose AC cord plug connection Battery has discharged Electrical power loss AC interference from other equipment TURN POWER OFF BEFORE TROUBLESHOOTING Check AC cord and connections Recharge battery During battery operation power is automatically cut off after 5 minutes of non use If the battery is fully charged restart operation using the ON OFF button 13 ...

Страница 17: ...ent cable or power cord Electrical devices in the immediate area lighting concealed wiring in walls or floors Improperly grounded electrical outlet Muscle Tremor Appears on the ECG as random irregular voltages superimposed Interference EMG on the tracing It may resemble or occur in conjunction with AC interference Causes Patient is uncomfortable tense nervous or apprehensive Patient is cold and sh...

Страница 18: ...andering baseline occurs Clean skin with alcohol or acetone if necessary Reposition electrodes Check the electrode connections Assist the patient in relaxation Other When an electrosurgical unit is used with the cardiograph noise generated by an ESU is superimposed on the ECG waveforms Equipment in the same room as the cardiograph may generate noise which is superimposed on the ECG waveforms Noise...

Страница 19: ... the waveforms can be seen Also decrease the sensitivity to 1 2 cm 1 mV if the QRS complexes go off the paper The Normal ECG Next on the agenda is learning what a normal ECG looks like and why You probably already know all the anatomy you need The heart has four chambers two atria and two ventricles They are connected by a conduction system that spreads an electrical current that enables the heart...

Страница 20: ...T wave In other words a normally conducted heat which is followed by two more normally conducted heats The fourth beat has a large wide QRS complex with a big negative T wave What site do you think it originates from It can t be atrial because there is no P wave It can t be junctional near the AV node because it s too wide and sloppy looking and junctional beats should be of normal duration But it...

Страница 21: ...block is a feature of a conduction disease called sick sinus syndrome Surgically implanting an artificial pacemaker will restore almost normal quality of life Don t feel pressured to learn everything at once It will be extremely helpful even if you only learn how to record an ECG well Simply recognizing that an abnormal beat has occurred and alerting your veterinarian will be appreciated The key i...

Страница 22: ...onsinus Atrial Coronary sinus Rhythm Impulses originate low in atrium travel retrograde as well as distally Normal Sinus Rhythm Impulses originate at SA node at normal rate Variations in P wave con tour PR interval PP and RR intervals All complexes evenly spaced rate 60 to 100 minute All complexes normal evenly spaced rate 60 minute All complexes normal evenly spaced rate 100 minute All complexes ...

Страница 23: ...xes to emphasize differences in rate rhythm and shape Idioventricular Rhythm Accelerated Idioventricular Rhythm AIVR Ventricular Tachycardia Ventricular Fibrillation Pacer Rhythm Rate 40 minute Rate 40 to 120 Rate 120 Pacemaker spike 20 ...

Страница 24: ...tifacts Other equipment in the area that uses electrical current may cause artifacts Muscle tremor or body movement may also cause artifacts and efforts should be made to calm the animal and make it comfortable It is important to place the electrode clips correctly and hold the limbs away from the body during right recumbent position to prevent the electrodes from moving with the thoracic respirat...

Страница 25: ... R inter vals The P wave and the QRS complexes are usually of normal configuration Figure 4 17 sinoatrial block or arrest in a female miniature schnauzer with syncope Note the ventric ular escape complex arrow First Degree AV Block A delay or interruption in conduction of a supraventricular impulse through the AV junction and bun dle of His is called AV block First Degree AV block may occur in ani...

Страница 26: ... in the dog and the cat All ECG criteria are nor mal except that the heart rate is above 160 bpm in the dog and above 240 bpm in the cat Examples of physiologic conditions associated with sinus tachycardia include pain fright or excite ment Pathological conditions include fever shock anemia infection congestive heart failure hypox ia and hyperthyroidism Drugs that can cause sinus tachycardia inclu...

Страница 27: ...brillation is common in the dog and is usually associated with severe organic heart disease it is usually associated with chronic AV valvular insufficiency in small breeds dilated cardiomyopathy in large and giant breeds and congenital heart defects ECG Atrial and ventricular rates are rapid an totally irregular Large oscillations waves replace the normal sinus P waves Arrythmias Originating in th...

Страница 28: ...that cause VPCs also cause ventricular tachycardia ECG QRS complexes are wide and bizarre with T waves directed opposite to the QRS deflection There is no relationship between the QRS complexes and the P waves the P waves may precede be hidden within or follow the QRS complexes Ventricular Fibrillation Ventricular fibrillation causes cardiac arrest and is often a terminal event Ventricular contrac...

Страница 29: ...cular rhythm K 10 0 mEq l Ventricular fibrillation or ventricular asystole Figure 4 30 A Hyperkalemia in a dog presenting with hypovolemic shock due to addisonian crisis P waves are absent and T waves are tall and peaked Serum potassium was 8 4 mEq L B After institution of therapy P waves are present and the QRS T complex is of smaller amplitude Serum potassium was 4 8 mEq L Tilley LP Essentials o...

Страница 30: ... bush or damp NOT wet lint free cloth Use de ionized or distilled water only DO NOT use alcohol solvents or detergents They will damage the rubber and plastic parts Clean external surfaces with a clean lint free cloth DO NOT use alcohol solvents or detergents Place store the unit away from dust liquid spills pet hair and accidental damage Consider using a soft dust cover to further protect the uni...

Страница 31: ......

Страница 32: ...Jorgensen Laboratories Inc 1450 N VanBuren Avenue Loveland CO 80538 800 525 5614 ...

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