A premature beat that originates in the atria in an area other than the sinus node followed by a normal ventricular response is sometimes referred to as premature atrial contractions.
A ventricle is one in every one of the large chambers closer to the bottom of the coronary heart that acquires and expels blood towards the peripheral beds inside the body and lungs. The blood pumped by using a ventricle is furnished through an atrium, an adjoining chamber in the top coronary heart that is smaller than a ventricle.
The decreased chambers are the left ventricle and proper ventricle. The proper ventricle pumps blood from your heart and into your lungs, which add oxygen and do away with carbon dioxide earlier than the blood reenters your heart. The left ventricle is the remaining chamber blood flows via before being pumped out to your entire body.
Ventricular tachycardia occurs because of a problem with the coronary heart's electric impulses. The situation may additionally broaden as a complication of a heart assault or may arise in human beings with certain situations, which include valvular heart disease.
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Answer:
The answers are:
Explanation:
You must test the assumptions to see if they are valid. If they are not valid they can cause more harm than good.
You should try to use assumptions that your audience is going to agree with. - Audience understanding and compassion is very important.
You must be prepared to defend your assumptions if someone inquires about them. - This is a key element if you want to prevent being discredited.
You must be aware of the assumptions you are making. - One should avoid speaking about unfamiliar or unknown topics.
Answer: the Byzantines were defeated by the Normans during their conquest of Italy, thereby driving the Byzantines from southern Italy. Even more dangerous than the Normans was a new enemy from the steppe: the Turks.
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Answer: She is reading a Theory
Explanation:
A theory is defined as the set of principles and knowledge that govern a science, doctrine, or activity. In Andrea's case, she is reading an introductory topic on human aggression. Issues like these are supported by a series of theories that try to explain their cause.