#164 Regularity: P-waves: Interpretation: # 184 Regularity: P-waves: Interpretation: Heart rate: B BRLL QRS complex: www Heart rate: QRS complex: PR interval: PR interval:
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Interpret the following ECG rhythm strips
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- on an EKG strip, a nurse determines that a patient's heart is beating 5 times every 4 seconds. Calculate the time for each heart beat in seconds: Calculate the patient's heart rate in beats/min: (Hint: Divide 60 by the time per beat). In a normal individual, heart rate can be determined by the in an ECG. number of T waves number of P waves interval between the P and T waves interval between two QRS complexesA variety of ways to calculate heart rate from an ECG may be used. The quickest way to calculate heart rate on a rhythm strip is: Count the number of large squares between one R-R interval, and divide this number into 1500. Calculate the number of QRS complexes in 1 minute Count the number of R-R intervals in 6 seconds, and multiply by 10 Count the number of small squares between one R-R interval, and multiply this number by 300.
- On an ECG, which of the following is generally produced from myocardial ischemia? Group of answer choices ST elevation ST depression Q waves U wavesWhich of the following intervals is most likely to vary when the heart rate changes? QRS complex P-R segment S-T segment T-P segment1. is the rhythm regular or irregular 2. determine the heart rate 3. do you have p waves before every QRS 4. Measure the PR interval 5. Measure the QRS duration 6. Are there any early or extra beats 7. is there normal r wave progression in V1-V6? 8. Are the ST segments elevated or depressed? 9. Are there any abnormal Q waves? 10.. Are the T waves of normal size? 11. Are there any U waves? 12. Is there evidence of myocardial ischemia, injury, or infarction? 13. Name this EKG.
- Determine the missing word/phrase to correctly complete the explanation of conduction of the heart beat. Heart Conduction & the ECG The signal along nerves to the This node is located in the the right atrium. An electrical signal is sent and causes The signal is received by the the This signal causes corresponds to the the ECG. This node sends a signal to through the hormone P wave heart. This corresponds to the hormone node in the heart. AV bundle branches R wave S-T P-Q segment segment increased in the brain sends a ; this corresponds to of the ECG. purkinjie fibers node located in the right atrium. There is a slight delay before the next heartbeat as the dissipates from the of the septum and to in the walls of the The sympathetic nervous system causes an heart rate due to the of the ECG. The parasympathetic nervous system causes a heart rate due to the T wave and ofBased on the cases mentioned below, what pattern can be observed on an ECG? - Administration of alpha-2 agonists, hypercalcemia, cardiac glycoside toxicity, Lyme disease, endocarditis, traumatic myocarditis, cardiomyopathies, endocardiosis or myocardial fibrosis a-1st degree AV block b-AV block 2nd degree Mobitz type 1 c-AV block 2nd degree Mobitz type 2 d-3rd degree AV blockExplain in as much detail as you can: Q. What is an electrocardiogram? What is its diagnostic significance? Different parts of the ECG record can be correlated to specific cardiac events. What electrical event does each component of ECG represent? R U I Q S P.
- The short horizontal line between the P wave and the QRS complex indicates that a-depolarization is moving slowly through the AV Node b-the atria are done contracting c-the ventricles are depolarizing d-the ventricles are contracting and ejecting bloodIf you have a resting heart rate of 125 beats/min or bpm then you have: a normal heart rate, bradycardia, or tachycardia- HW: Cardiovascular System: The Heart 4 of 30 beling Activity: Overview of the cardiac conduction system The generates an action potential, which spreads to atrial cells and the AV node. After the delay, the action potential is conducted to the AV bundle and then to the right and left bundle branches. The spreads from the bundle branches along the Purkinje fibers to the of the ventricles. Course Chat MacBook Pro Search or tune LIRI
