Bissoy.com
Doctors Medicines MCQs Q&A

Which of the following instrument records the electrical activity of the heart?

Which of the following instrument records the electrical activity of the heart? Correct Answer ECG(Electrocardiograph)

The electrocardiograph (ECG) is an instrument, which records the electrical activity of the heart. Electrical signals from the heart characteristically precede the normal mechanical function and monitoring of these signals has great clinical significance.

Related Questions

Researchers have developed a three-person brain network called BrainNet that lets participants send or receive thoughts from each other. Further, researchers claimed that the network records electrical activity and transcranial magnetic stimulation in the brain, to transmit information without invasion as it can send one bit of a data at a time. Which of the following determines the given statement? I: BrainNet records electrical activity and transcranial magnetic stimulation in the brain. II: BrainNet can send more than one bit of data at a time. III:  BrainNet is a three-person brain network developed to transmit information. 
S1:The heart is pump of life.
P :They have even succeeded in heart transplants.
Q :Nowadays surgeons are able to stop a patients heart and carry out complicated operations.
R :A few years ago it was impossible to operate on a patient whose heart was not working properly.
S :If heart stops we die in about five minutes.
S6:All this was made possible by the invention of heart-lung machine.

The Proper sequence should be:
Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the right order to form a meaningful and coherent paragraph. A: The primary purpose of a pacemaker is to maintain an adequate heart rate, either because the heart's natural pacemaker is not fast enough, or because there is a block in the heart's electrical conduction system. B: These allow a cardiologist to select the optimum pacing modes for individual patients.  C: Modern pacemakers are externally programmable. D: A cardiac pacemaker is a medical device that generates electrical impulses to cause the heart muscle chambers contract and therefore pump blood.
Consider the following statements related to the Electrocardiograph (ECG): 1. It is a graphical representation of the electrical activity of the heart during a cardiac cycle. 2. To obtain a standard ECG, a patient is connected to the machine with three electrical leads that continuously monitor the heart activity. Which of the above statement is/are correct?
The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph. P: A surprising fact about heart attacks is they appear to have seasonal and temporal patterns.  Q: A heart is a muscle, and it needs a good blood supply to keep it healthy.  R: A heart attack happens when there is a sudden complete blockage of an artery that supplies blood to an area of your heart. S: As per different statistics and research, a higher percentage of heart attacks occur in the cold weather. 
Match the following Device Conversion of Energy (a) Windmill (i) Chemical Energy to electrical energy (b) Bulb (ii) Kinetic Energy to Electrical Energy (c) Electrical Cell (iii) Sound Energy to Electrical energy (d) Microphone (iv) Electrical Energy to Light Energy
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: A heart attack usually occurs when a blood clot blocks blood flow to the heart. B: Without blood, tissue loses oxygen and dies. C: Some symptoms of a heart attack include tightness or pain in the chest, neck, back, or arms, as well as fatigue, lightheadedness, abnormal heartbeat, and anxiety.  D: A heart attack is a medical emergency.
In the given question, a part of the sentence is printed in bold. Below the sentence, three alternatives to the bold part are given which may help improve the sentence. Choose the option that reflects the correct use of the phrase in the context of the sentence. In case the given sentence is correct, your answer is (E) i.e. No correction required. Living in the heart of New York city is certainly like a far cry from living in the rural countryside. (i) heart of New York city is certainly a far cry from (ii) heart of New York city is a far cry than (iii) heart of the New York city is certainly ruing
In a group of people 5 play golf, 8 play cricket and 3 play both. It is known that the heart rate of golf player is 98bpm, the heart rate of a cricket player is 102bpm and the heart rate of people who play both is 100bpm. Find the average heart rate of the group.
________________ records the electrical activity of heart.