electrocardiograph

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electrocardiograph

 [e-lek″tro-kahr´de-o-graf″]
the apparatus used in electrocardiography.

e·lec·tro·car·di·o·graph

(ē-lek'trō-kar'dē-ō-graf), Do not confuse this word with electrocardiogram.
An instrument for recording the potential of the electrical currents that traverse the heart.

electrocardiograph

(ĭ-lĕk′trō-kär′dē-ə-grăf′)
n.
An instrument used in the detection and diagnosis of heart abnormalities that measures electrical potentials on the body surface and generates a record of the electrical currents associated with heart muscle activity. Also called cardiograph.

e·lec′tro·car′di·o·graph′ic (-grăf′ĭk) adj.
e·lec′tro·car′di·o·graph′i·cal·ly adv.
e·lec′tro·car′di·og′ra·phy (-kär′dē-ŏg′rə-fē) n.

e·lec·tro·car·di·o·graph

(ĕ-lek'trō-kahr'dē-ō-graf)
An instrument for recording the potential of the electrical currents that traverse the heart.

electrocardiograph

An instrument consisting of a series of electrical cables (leads) with a lead-switching device, a high-gain, low-noise, balanced differential amplifier and a moving coil rotary transducer that converts the amplified signal into a varying trace on a calibrated strip of moving paper. The leads are connected to low-resistance contacts on the chest of the subject and the input to the device is derived from the minute electrical currents that flow towards and away from them as a result of the heart's contractions and relaxations.

Electrocardiograph (ECG, EKG)

A test of a patient's heartbeat that involves placing leads, or detectors, on the patient's chest to record electrical impulses in the heart. This test will produce a strip, or picture record of the heart's electrical functioning.
References in periodicals archive ?
This should be performed with the patient in the supine position with a continuous 12-lead ECG. A vagal manoeuvre increases vagal tone and may terminate an AVJRT (AVNRT/AVRT), but never an AT.
A different approach to recording a 12-lead ECG is to make use of the EASI lead system (8) where 4 electrodes are placed on the torso at A (mid axillary line at level of V6), E (sternum at level of 5th intercostal space), I (mid axillary line at level of V6R) and S (sternum below the sternal notch).
The main criterion of including patients to the study group was an absence of any specific abnormalities of ST-T segment on the 12-lead ECG taken at rest, when the patient was free of anginal pain.
Only 1 patient (1.3%) was awarded an additional point for ST-elevation in right-sided leads without ST-depression on 12-lead ECG increasing the TIMI score from 6 to 7.
The findings "suggest that screening athletes for cardiomyopathies is a life-saving strategy and that 12-lead ECG is a sensitive and powerful [screening] tool," they noted.
Quick and accurate 12-lead ECG interpretation, 4th ed.
Unlike conventional 12-lead ECG solutions, which require 10 electrodes, the EASI system uses only five electrodes and three vectors to provide a continuous 12-lead ECG at the bedside.
Contract notice: delivery of 12-lead ecg monitors with defibrillator
The rationale for the FDA-approved 80-lead technology is that the standard 12-lead ECG has major blind spots, said Dr.
Another study evaluated the predictive power of heart rate assessed from the standard 12-lead ECG or from Holter recordings for future mortality and arrhythmic events in survivors of acute myocardial infarction.
The Rotterdam Study includes 4,187 men and women above age 55 free of evidence of prevalent MI by 12-lead ECG at baseline and who had a follow-up ECG a mean of 6.4 years later.
The Service will provide a 24:00 ECG test with appropriate clinical interpretation for GPs who wish to investigate patients at low risk of significant cardiac pathology, who have previously had a 12-lead ECG and for whom they wish to investigate further.