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ECG paper is chosen by device, not by price or by how it looks. Two rolls can look identical yet differ by two millimeters in width, and an electrocardiograph built for paper pads will not take a roll. This guide shows what to check before you order, how to read the dimensions on the pack, what the grid means, which paper in the catalog is listed for which device and how to store tracings so they stay readable.
You do not choose the format: the device does. The manual or the paper compartment shows whether the electrocardiograph works with a roll or with a pad of sheets.
ECG paper is divided into large squares and small squares. Time is recorded horizontally, and the direction and amplitude of the electrical signal vertically. The product sheets of the ECG papers in the catalog generally specify a red grid, and the sheets of several PRIMA pads specify thermal paper of 55–70 g/m², 60–75 µm thick, white and non-sterile.
| Distance on the paper | Horizontally, at 25 mm/s | Vertically, at 10 mm/mV |
|---|---|---|
| 1 mm, one small square | 0.04 s | 0.1 mV |
| 5 mm, one large square | 0.2 s | 0.5 mV |
| 10 mm, two large squares | 0.4 s | 1 mV |
| 25 mm, five large squares | 1 s | 2.5 mV |
| Width × length | Devices listed on the product sheet | Paper |
|---|---|---|
| 50 mm × 20 m | Heaco 100G, Burdick EK-10, Hellige EK 31/T 20, Siemens Cardiostat-1, Dixion EKG 1001, Bosch 11K/101K and Fukuda and Nihon Kohden models | 50 mm × 20 m |
| 50 mm × 30 m | Cardioline Delta 1 | 50 mm × 30 m |
| 55 mm × 20 m | Hellige EK 41/51 | 55 mm × 20 m |
| 58 mm × 25 m | Aspel Ascard B5-ECO | 58 mm × 25 m |
| 60 mm × 30 m | Cardioline, Aspel | 60 mm × 30 m |
| 63 mm × 30 m | Nihon Kohden | 63 mm × 30 m |
| 80 mm × 25 m | BTL, Aspel | 80 mm × 25 m |
| 110 mm × 20 m | Cardiette Cardiorapid Handy | 110 mm × 20 m |
| 110 mm × 30 m | Bioset 3500, Hellige EK 26/27T, Siemens Cardiostat-3T, Trismed Cardipia 400 | 110 mm × 30 m |
| 112 mm × 25 m | Aspel, Bionics, Fukuda Cardisuny, Kalamed | 112 mm × 25 m |
| 120 mm × 20 m | Cardioline, Electronica Trentina | 120 mm × 20 m |
| 120 mm × 30 m | Cardiorapid K33M | 120 mm × 30 m |
| 130 mm × 50 m | Schiller | 130 mm × 50 m |
| 145 mm × 30 m | Fukuda Denshi OP358TE | 145 mm × 30 m |
| 210 mm × 25 m | Cardioline, Aspel | 210 mm × 25 m |
| 210 mm × 30 m | BTL-08 LT | 210 mm × 30 m |
| 215 mm × 30 m | Bionet ECG 2000 | 215 mm × 30 m |
| Sheet × number of sheets | Devices listed on the product sheet | Paper |
|---|---|---|
| 50 × 100 mm, 300 sheets | Nihon Kohden, paper type FQW50-3-100 | 50 × 100 mm |
| 70 × 100 mm, 200 sheets | Schiller AT-3 | 70 × 100 mm |
| 80 × 70 mm, 315 sheets | Esaote P8000 | 80 × 70 mm |
| 80 × 90 mm, 280 sheets | GE/Hellige MAC 400 | 80 × 90 mm |
| 90 × 70 mm, 400 sheets | Esaote Biomedica P-80 | 90 × 70 mm |
| 90 × 90 mm, 400 sheets | Schiller AT-1 | 90 × 90 mm |
| 110 × 100 mm, 180 sheets | Bioset 3600/3700 | 110 × 100 mm |
| 110 × 140 mm, 140 sheets | Fukuda FX-7202 | 110 × 140 mm |
| 110 × 140 mm, 143 sheets | Nihon Kohden, paper type FQW110-2-140 | 110 × 140 mm |
| 112 × 90 mm, 150 sheets | Cadence MFM-2 | 112 × 90 mm |
| 112 × 100 mm, 300 sheets | Cardioline Delta 3 Plus | 112 × 100 mm |
| 210 × 140 mm, 250 sheets | Schiller AT-10, Kenz Cardico 1211 | 210 × 140 mm |
| 210 × 280 mm, 200 sheets | Welch Allyn CP100/CP200 | 210 × 280 mm |
| 210 × 280 mm, 300 sheets | Marquette MAC 5000, Case 12/15 | 210 × 280 mm |
| 210 × 295 mm, 150 sheets | GE/Hellige MAC 1200 | 210 × 295 mm |
| 210 × 300 mm, 100 sheets | Philips/Agilent PageWriter Trim I, II, III | 210 × 300 mm |
The same sheet size can come with a different number of sheets depending on the device: at 210 × 280 mm, the Welch Allyn pad has 200 sheets and the Marquette pad 300. When you order, check the model, not just the size.
110 mm × 18 m or 20 m rolls, standard, high density or glossy, for the Sony and Mitsubishi video printers that print medical images, for example at the ultrasound scanner. It has no ECG grid. You will find it under video printer paper.
57 mm × 25 m rolls, without a grid, for vital-signs monitors, spirometers, audiometers and other devices with a thermal printer. They are in the spirometry category.
The image on thermal paper degrades over time. An application note from Philips Medical Systems states that, when properly stored, tracings remained readable for about 5 years, and recommends:
Besides paper, every recording needs electrodes and gel. The single-use silver chloride electrodes, 3.2 × 3.2 cm, come in packs of 50, and their product sheet says to apply them only to intact, clean skin. The reusable clamp electrodes, for adults (30 × 130 mm) and for children (20 × 85 mm), are used with conductive paste, according to their sheet, and the rubber chest strap, 150 × 10 cm, holds the precordial electrodes in place. They are all in the ECG electrodes and cables and ECG gel categories.
Rolls and pads for Aspel, BTL, Cardioline, Fukuda, GE/Hellige, Nihon Kohden, Philips, Schiller, Welch Allyn and other electrocardiographs, plus electrodes and gel, in the Prima Shop catalog. Orders placed by 2 p.m. usually ship the same day, and delivery takes 1–2 business days.
Start from the exact model of the electrocardiograph, from the device, the manual or the old pack. Then check the format, roll or pad of sheets, and the dimensions: width and length for a roll, sheet size and number of sheets for a pad. The product sheets in the catalog list the devices each paper is intended for.
At the standard speed of 25 mm/s, a 1 mm small square means 0.04 seconds and a 5 mm large square 0.2 seconds. Vertically, at the standard gain, 10 mm corresponds to one millivolt.
Do not count on it. The width has to be exactly the one in the device manual; the catalog has both 110 mm and 112 mm rolls, listed for different devices.
No. The 110 mm rolls for Sony and Mitsubishi video printers are made for printing medical images and have no ECG grid. Likewise, the plain 57 mm thermal paper is for vital-signs monitors, spirometers and audiometers.
An application note from Philips Medical Systems states that tracings on properly stored thermal paper remained readable for about 5 years. For long-term archiving, make a copy or scan the tracing and check the originals once a year.
At no more than 40 °C and below 80% relative humidity, in manila folders or in polyester, polypropylene or acetate sleeves. Avoid PVC sleeves, adhesive tape, solvents, sunlight, hand creams and ECG or ultrasound gels.
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A grouped list of consumables for a family medicine practice: examination, injections and dressings, sample collection and rapid tests, ECG, emergencies, disinfection and waste, with a restocking rhythm.
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The recommendations on the home page help you find the right products for your practice, clinic or business faster.
