Podcast
Questions and Answers
Explain the significance of the P wave in an ECG strip.
Explain the significance of the P wave in an ECG strip.
The P wave represents the contraction of the atrium, indicating the initiation of the electrical impulse that causes the atria to contract and pump blood into the ventricles.
What is the normal duration of the QRS wave in an ECG strip?
What is the normal duration of the QRS wave in an ECG strip?
The normal duration of the QRS wave in an ECG strip is 0.04 - 0.1 seconds, representing the time taken for the ventricles to contract and pump blood out of the heart.
Describe the normal range for the ST segment in an ECG strip and its significance.
Describe the normal range for the ST segment in an ECG strip and its significance.
The ST segment is normally not elevated more than 1mm or 0.047 second. It is important in assessing for myocardial ischemia or injury, as elevation or depression of the ST segment can indicate such conditions.
What does the PR interval measure in an ECG strip and what is the normal duration?
What does the PR interval measure in an ECG strip and what is the normal duration?
Signup and view all the answers
What does the T wave represent in an ECG strip and what is its significance?
What does the T wave represent in an ECG strip and what is its significance?
Signup and view all the answers
What is the normal range for the duration of the QRS wave in an ECG strip and why is it important?
What is the normal range for the duration of the QRS wave in an ECG strip and why is it important?
Signup and view all the answers
What is the normal duration range for the QRS wave in an ECG strip?
What is the normal duration range for the QRS wave in an ECG strip?
Signup and view all the answers
What is the normal PR interval duration in an ECG strip?
What is the normal PR interval duration in an ECG strip?
Signup and view all the answers
What does the ST segment in an ECG strip normally not exceed in terms of elevation?
What does the ST segment in an ECG strip normally not exceed in terms of elevation?
Signup and view all the answers
Sinus bradycardia is characterized by atrial and ventricular rates greater than 100 to 180 beats per minute
Sinus bradycardia is characterized by atrial and ventricular rates greater than 100 to 180 beats per minute
Signup and view all the answers
Premature ventricular contractions (PVCs) result from increased irritability of the atria
Premature ventricular contractions (PVCs) result from increased irritability of the atria
Signup and view all the answers
Atrial flutter is characterized by rapid, irregular contraction of the atria or ventricles reaching up to 350-400 beats per minute
Atrial flutter is characterized by rapid, irregular contraction of the atria or ventricles reaching up to 350-400 beats per minute
Signup and view all the answers
Sinus bradycardia is characterized by atrial and ventricular rates less than 60 beats per minute
Sinus bradycardia is characterized by atrial and ventricular rates less than 60 beats per minute
Signup and view all the answers
Premature ventricular contractions (PVCs) result from increased irritability of the ventricles
Premature ventricular contractions (PVCs) result from increased irritability of the ventricles
Signup and view all the answers
Fibrillation is characterized by rapid, regular contraction of atria or ventricle reaching up to 350-400 beats per minute
Fibrillation is characterized by rapid, regular contraction of atria or ventricle reaching up to 350-400 beats per minute
Signup and view all the answers
