The condition which cannot be detected by ECG is: Blockage of coronary arteryGastric ulcerDefect of heart valveAngina (2024)

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A

Blockage of coronary artery

B

Defect of heart valve

C

Gastric ulcer

D

Angina

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Solution

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The correct option is B Gastric ulcer
As each wave of contraction spreads through the heart, electric currents flow into the tissues surrounding the heart and onto the body surface. By placing electrodes on the body surface on opposite sides of the heart, a physician can amplify and record the electrical activity. The graph produced is called an electrocardiogram (EKG or ECG). Abnormalities in the EKG indicate disorders in the heart or its rhythm. For example, in heart block, impulse transmission is delayed or blocked at some point in the conduction system. Artificial pacemakers can help patients with severe heart block. The pacemaker is implanted beneath the skin and its electrodes connected to the heart. This device provides continuous rhythmic impulses that avoid the block and drive the heartbeat. Angina (pain in chest) and defects in heart valve can also be detected through an abnormal ECG. Ulcers in stomach or Gastric ulcers cannot be detected by an ECG.

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The condition which cannot be detected by ECG is: Blockage of coronary arteryGastric ulcerDefect of heart valveAngina (2024)

FAQs

Which condition Cannot be detected by ECG? ›

Valvular defects cannot be detected using an ECG. Chest X-ray can be used to determine such defects. Therefore, an ECG can detect arrhythmia, myocardial infarction and also heart block but not valvular defects.

What heart disease Cannot be detected by ECG? ›

The condition which cannot be detected by ECG is: Blockage of coronary artery Gastric ulcer Defect of heart valve Angina
  • Blockage of coronary artery.
  • Gastric ulcer.
  • Defect of heart valve.
  • Angina.
Jan 9, 2020

Which of the following cannot be detected by an ECG? ›

Valvular defects are not detected by ECG.

Is ECG enough to detect heart blockage? ›

An ECG is a great test to analyse heart signals and can directly or indirectly help spot heart blockages or artery issues.

What is not represented on an ECG tracing? ›

The atrial repolarization cannot be identified on an ECG tracing because it is hidden behind the QRS complex. Lastly, the T wave represents ventricular repolarization, in which the ventricles are relaxed, recharging and filling with blood.

Which of the following conditions are detected by the ECG quizlet? ›

Which of the following conditions are detected by the ECG? From the ECG it is possible to detect abnormal heart rhythms, conduction problems, and the location of damaged heart muscle.

Can ECG detect angina? ›

An electrocardiogram (ECG) can help recognize types of angina and other serious heart problems. Certain ECG patterns can be a sign of unstable angina or vasospastic angina. However, your ECG may sometimes be normal even if you have angina.

What heart defects go undetected? ›

Atrial Septal Defect

As a result, blood flow to the lungs increases. Small holes in the septum can go undetected until adulthood.

Does coronary artery disease show up on an echocardiogram? ›

An echocardiogram can show how blood moves through the heart and heart valves. Parts of the heart that move weakly may be caused by a lack of oxygen or a heart attack. This may be a sign of coronary artery disease or other conditions. Exercise stress test.

What is not visible on an electrocardiogram quizlet? ›

There is no distinctly visible wave representing atrial repolarization in the ECG because it occurs during ventricular depolarization.

What could show up on an ECG? ›

An ECG can help detect: arrhythmias – where the heart beats too slowly, too quickly, or irregularly. coronary heart disease – where the heart's blood supply is blocked or interrupted by a build-up of fatty substances. heart attacks – where the supply of blood to the heart is suddenly blocked.

What interferes with ECG? ›

Exercise or smoking before the test. Certain medicines. Electrolyte imbalances, such as too much or too little potassium, magnesium, or calcium in the blood.

What are four signs your heart is slowly failing you? ›

You may have trouble breathing, an irregular heartbeat, swollen legs, neck veins that stick out, and sounds from fluid built up in your lungs. Your doctor will check for these and other signs of heart failure. A test called an echocardiogram is often the best test to diagnose your heart failure.

How to check for artery blockage? ›

A CT coronary angiogram can reveal plaque buildup and identify blockages in the arteries, which can lead to a heart attack. Prior to the test, a contrast dye is injected into the arm to make the arteries more visible. The test typically takes 30 minutes to complete.

How do you tell if you have a blocked artery? ›

In addition to chest pain, symptoms of a clogged artery may include:
  1. Dizziness.
  2. Feeling like your heart is racing (heart palpitations)
  3. Nausea.
  4. Shortness of breath.
  5. Sweating.
  6. Weakness.

What can interfere with ECG reading? ›

These include:
  • Obesity.
  • Anatomical considerations, such as the size of the chest and the location of the heart within the chest.
  • Movement during the test.
  • Exercise or smoking before the test.
  • Certain medicines.
  • Electrolyte imbalances, such as too much or too little potassium, magnesium, or calcium in the blood.

What 5 abnormalities can be found on the echocardiogram? ›

What 5 abnormalities can be found on an echocardiogram?
  • An enlarged heart or thick ventricles.
  • Weakened heart muscles.
  • Problems with heart valves.
  • Heart defects present since birth.
  • Blood clots or tumors.
Nov 27, 2023

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