The first thing to know about ECGs is the waveforms. There is a P wave, the PR interval, and the QT interval which contains the QRS complex, the ST segment, and the T wave. There are a lot of variables to take into consideration when reading an ECG like current medications and ...
What is an ECG or an EKG?Electrical Changes in the Cardiac Muscle Cells:As the cardiac impulse spreads over the cardiac muscle cells and causes the contractions, the electrical changes sweep over the cardiac chambers in a specific sequence. These electrical changes are also transmitted through the...
Asystole (ay-sis-stuh-lee) is when there’s no electricity or movement in yourheart. That means you don’t have a heartbeat. It’s also known as flatline. That’s because doctors check the rhythm of your heart with a machine called an electrocardiogram -- also called an ECG orEKG. I...
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The most common cause of commotio cordis is an impact to the left side of your chest during a sports activity. The impact gives a sudden jolt to the heart muscle. This can result in a sudden, irregular, and fast pattern of heartbeats (ventricular fibrillation), which causes the heart to...
heart block. An EKG is used to check the electrical activity in your heart. You may need to wear an EKG monitor for a few days while you do your daily activities. This monitor is also called a Holter monitor. You may need any of the following to find the cause of your heart block:...
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What is the EKG? Explain the following waves and intervals: P-wave, P-R interval, QRS wave, S-T segment, QT interval and T wave. What is an ECG or an EKG? What phase of the cardiac cycle is the heart in when all four...
Figure 2.5.The relation between shared and out-of-process dependencies. An example of a dependency that is shared but not out-of-process is a singleton (an instance that is reused by all tests) or a static field in a class. A database is shared and out-of-process—it resides outside...