ecg

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    MD & DO What does each each QRS deflection mean in each lead?

    Hi there! I've recently decided to in-depth study ECG and fo in some real big trouble. I've heard from a cardiologist that "r" wave in V1 records right ventricle depolarization (as it is closer to RV), while "s" wave records LV depolarization. And, at the same time, in the frontal plane, q-r-s...
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    ECG Data on Philips Zymed Holter file type

    Starting my research and have the data type as .ZHR would like to convert the raw ECG data to .EDF or ASCII txt or .csv file so I can read it and analyze it in kubios. Any help is appreciate it. If you have the Philips Zymed software let me know. Thank you!
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    MD & DO 12-lead EKG

    I'm trying to understand the time frame of a regular 12-lead ECG. Please look at the image I posted. Does I, II, III, aVR, aVF, aVL, V1 to V6 represent the same "heart beats"? I was told in class that all vertically aligned QRS complexes represent the same heart beats. If that is true, then...
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    QT correction

    Hey All, While many articles and studies tout the importance of correcting the QT interval for either R-R or rate, there seems to be little consensus on what this means. In fact, many educational materials discuss this concept, then provide (potentially) outdated methods that may not have...
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    MD & DO Looking for an ECG workbook with illustrated solutions

    i want a book focusing only on practice problems. No "reference" component. However, all the books I saw will put the ekg on one page and on the other page will simply list the things you are supposed to see. I am looking for a book, where on the other page, the ekg is there but the stuff you...
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