Titlebook: ;

inhumane

Basic Knowledge of ECG,This is a normal standard 12-lead ECG (Fig. 1.1). What can you see when you get a first sight of this ECG?

证实

清晰

P-R Interval,The P-R interval is defined as the time between the beginning of the P wave and the beginning of the QRS complex, representing the interval between beginning of depolarization of the atria and the beginning of the ventricles.

Mutter

凹槽

T Wave,T wave represents the rapid ventricular repolarization, also known as the ventricular recovery phase.

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格子架

Final Remarks and Outlook,In the previous chapters, only stationary complex sources and their application in the frequency domain were studied. Therefore, a brief outlook is given on how the theory can be extended to complex sources in the time domain and in motion. These two advanced topics cannot be covered in present book, but hopefully in a future publication.

Lineage

Common Signs and Symptoms and Examination Methods of Ear DiseasesIt is a common symptom. It usually contains the throbbing pain, the oppressive pain, the stabbing pain, the knife-like pain, the tearing pain, the dragging pain, etc. The pain can be paroxysmal, intermittent or persistent. According to the etiology, it’s categorized as follows.

带来

我正派

https://doi.org/10.1007/978-1-4613-4067-6Distribution; accounting; economy; population; rating