Home
Class 11
BIOLOGY
During acute myocardial infraction which...

During acute myocardial infraction which of the following changes occurs in the ECG ?

A

Flattened T wave

B

Depressed ST segment

C

Elevated ST segment

D

Increased length of PQ interval

Text Solution

Verified by Experts

The correct Answer is:
C
The S-T segment represents the time between the end of the spread of impulse through ventricles and their repolarisation. The S-T segment becomes elevated in acute myocardial infarction.
Promotional Banner

Topper's Solved these Questions

  • BIOMOLECULES

    NCERT FINGERTIPS|Exercise Biomolecules|137 Videos

  • BREATHING AND EXCHANGE OF GASES

    NCERT FINGERTIPS|Exercise Breathing And Exchange Of Gases|140 Videos

Similar Questions

Explore conceptually related problems

Which of the following changes occurs during adolescene in boys ?

Which of the following events occur during stage D?

During muscle contraction which of the following does not occurs ?

During strenous exercise, which of the following change occurs

Which of the following does not occur during breathing?

NCERT FINGERTIPS-BODY FLUIDS AND CIRCULATION-Body Fluids And Circulation
  1. The given figure shows an angiogram of the coronary blood vessel. Whic...

    Text Solution

    |

  2. Match column I with column II and select the correct option from the c...

    Text Solution

    |

  3. During acute myocardial infraction which of the following changes occu...

    Text Solution

    |

  4. Given below are four statements (i-iv) regarding human blood circulato...

    Text Solution

    |

  5. Refer to the given electrocardiogram and select the correct statement

    Text Solution

    |

  6. Excessively high hear rate ( gt 180 ) can reduce cardiac output becaus...

    Text Solution

    |

  7. Lungs receive blood from right side of the heart, whereas the branchin...

    Text Solution

    |

  8. The figure represents total period of one cardiac cycle i.e., 0.8 sec ...

    Text Solution

    |

  9. Refer to the given figure in which A refers to pulmonary artery pressu...

    Text Solution

    |

  10. Which of the following cells does not exhibit phagocytic activity ?

    Text Solution

    |

  11. One of the common symptoms observed in people infected with dengue fev...

    Text Solution

    |

  12. Which among the following is correct during each cardiac cycle ?

    Text Solution

    |

  13. Cardiac activity could be moderated by the autonomous neural system. T...

    Text Solution

    |

  14. Mark the pair of substances among the following which is essential for...

    Text Solution

    |

  15. ECG depicts the depolarisation and repolarisation process during the c...

    Text Solution

    |

  16. Which one of the following types of cells lack nucleus in humans ?

    Text Solution

    |

  17. Which one of the following blood cells is involved in antibody product...

    Text Solution

    |

  18. The cardiac impulse is initiated and conducted further upto ventricle....

    Text Solution

    |

  19. Agranulocytes responsible for immune response of the body are

    Text Solution

    |

  20. The second heart sound (dub) is associated with the closure of

    Text Solution

    |