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  2. QRS complex - Wikipedia

    en.wikipedia.org/wiki/QRS_complex

    Diagram showing how the polarity of the QRS complex in leads I, II, and III can be used to estimate the heart's electrical axis in the frontal plane. The QRS complex is the combination of three of the graphical deflections seen on a typical electrocardiogram (ECG or EKG). It is usually the central and most visually obvious part of the tracing.

  3. T wave - Wikipedia

    en.wikipedia.org/wiki/T_wave

    Both right and left bundle branch blocks are associated with similar ST and T wave changes as in hypertrophic cardiomyopathy, but are opposite to the direction of the QRS complex. [5] In pulmonary embolism, T wave can be symmetrically inverted at V2 to V4 leads but sinus tachycardia is usually the more common finding. T wave inversion is only ...

  4. Junctional rhythm - Wikipedia

    en.wikipedia.org/wiki/Junctional_rhythm

    The first finding is that junctional rhythms are regular rhythms. This means that the time interval between beats stays constant. The next normal finding is a normal QRS. Since the impulse still travels down the bundle of His, the QRS will not be wide. Junctional rhythms can present with either bradycardia, a normal heart rate, or tachycardia. [9]

  5. Electrocardiography - Wikipedia

    en.wikipedia.org/wiki/Electrocardiography

    An unusually tall QRS complex may represent left ventricular hypertrophy while a very low-amplitude QRS complex may represent a pericardial effusion or infiltrative myocardial disease. 80 to 100 ms J-point: The J-point is the point at which the QRS complex finishes and the ST segment begins. The J-point may be elevated as a normal variant.

  6. How Accurate Is the Inverted Yield Curve at Determining ... - AOL

    www.aol.com/accurate-inverted-yield-curve...

    When it comes to the U.S. economy, an inverted yield curve is like the monster under the bed: It's always lurking, but it doesn't always come out. Recently it has, however, which could be an early...

  7. Cardiac conduction system - Wikipedia

    en.wikipedia.org/wiki/Cardiac_conduction_system

    These "junctional" rhythms are characterized by a missing or inverted P wave. If both the SA node and the AV junction fail to initialize the electrical impulse, the ventricles can fire the electrical impulses themselves at a rate of 20 to 40 bpm and will have a QRS complex of greater than 120 ms.

  8. Why an indicator that has foretold almost every recession ...

    www.aol.com/news/why-indicator-foretold-almost...

    The situation has many on Wall Street scratching their heads about why the inverted curve — both a signal and, in some respects, a cause of recessions — has been so wrong this time, and ...

  9. The tail wags the dog: Top recession indicator now slows the ...

    www.aol.com/finance/tail-wags-dog-top-recession...

    Meanwhile, the inverted yield curve has recently changed to become a "causal mechanism" that can slow economic growth, he added. "So people see an inverted yield curve, it changes their behavior ...