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«Stress Tests (Bicycle Ergometry)»



See Myocard-12 photos and software screenshots

Delivery set:

  • Cardiomodule ÊÌ-4-USB
  • Lead’s cable,
  • Adaptors for  single-use electrodes,
  • Single-use electrodes,
  • Cable for connection to bicycle ergometer,
  • «User manual», «a Form».

    Additionally needed:

  • a PC,
  • a bicycle ergometer or Kettler treadmill (without automatic ABP measurement)
  • bicycle ergometer Corival (with automatic ABP measurement)
  • a vacuum stand

Technical features

  • Number of leads…………………3,12
  • Electrodes………………………..îäíîðàçîâûå
  • Stress protocols……………..Bruce,.Astrand, Bengtsson, pediatricCHF1, CHF2, Comell, à as well as user-defined ones
  • Parameters controlled  during all the testing:

    — ST segment displacements,
    — heartbeat rates exceeding submaximum values,
    — appearing paroxysmal tachycardia,
    — pacemaker changes (atrial rhythm, AV- rhythm, atrial fibrillation, etc.)
    — extrasystole over 1/10,
    — ïîÿâëåíèå ãðóïïîâîé ýêñòðàñèñòîëèè, — appearing multiple extrasystoles — appearing SA or AV blocks,
    — deterioration of intraventricular conductibility,
    — appearing temporary WPW syndrome, — a considerable change in the range of Q or R waves.
You can use any bicycle ergometer that allows for stress tests in 5 W increments starting from 25 W. The device can also work with a treadmill. In this case, the stress will be defined by the treadmill’s conveyor belt tilt angle and speed.
In case of a bicycle ergometer or a Kettler treadmill, the stress can be defined from a PC, otherwise it has to be input manually.
The PC monitor should be no less than 22”; a COM port is required if bicycle ergometer control is provided for.

The following information is displayed during the test:
      
  • any number of monitored leads, in a separate window,
  • a window with an average QRST in a calm condition, with an option to have the average QRST and the current ECG overlapping 
  • a window showing ST segment displacement graphs with numeric values,
  • cardiac rate in the form of graphs and numbers,
  • detected numbers of ventricular and supraventricular extrasystoles, considerable arrhythmias and pauses,
  • ABP in the form of graphs and numbers,
  • test performance data (time of test, phase time, load intensity, etc.)
  • recommendations to stop the stress test with details of abnormalities detected.
After the test has been completed, the doctor can also perform a hyperventilation test.

Using our successful experience in daily ECGs, we linked Holter Monitoring programs to our Exercise ECG Testing program: All the ECG is once more treated by a Holter Monitoring program, and the user is offered a Holter Navigator extremely rich in its functionalities, where the doctor can see any ECG disorders. But the most important thing is certainly a wide range of tools to analyze STs and arhythmias. Like in a Holter, the program automatically generates a record for a conclusion also taking into account the doctor’s editing. The record shows data for periods of exercise and rest.


A test record includes:
  • a summarizing table (phases, stresses, time, pressure, pulse, ST)
  • a conclusion including a functional category for patients with the ischemic heart disease or a level of tolerance to exercise loads,
  • recommendations on the motion of patients with the ischemic heart disease according to their functional categories,
  • ECG fragments, trend graphs.
In addition, the program maintains a test data archive of an unlimited size, exports records to the DOC format, supports a CD/DVD manager, and collects test statistics.

Application Scope Limitations



1) Absolute counterindications to exercise tests:
• an acute myocardial infarction period (less than 4 weeks),
• preinfarction angina, a potential stroke condition,
• acute thrombophlebitis,
• circulatory deficiencies referring to degrees IIB and III,
• considerable respiratory distress,
• fever.

2) Relative counterindications to stress tests:
• cardiac or arterial aneurysm,
• considerable hypertension (over 200 mm Hg),
• tachycardia over 100 beats per minute.,
• serious dysrhythmias shown in anamnesis,
• bundle branch blocks,
• WPW syndrome,
• cerebrovascular disturbances,
• hearing or sight loss or glaucoma.
Click here for other programs of "MYOCARD-12" complex: