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Author Question: The AV junction consists of the AV node and the nonbranching portion of the bundle of His. ... (Read 49 times)

dalyningkenk

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on: Jun 25, 2018
The AV junction consists of the AV node and the nonbranching portion of the bundle of His.
 
  Indicate whether the statement is true or false

Question 2

Complete the following ECG criteria for atrial flutter:
 
  Rhythm ___________________ _______
  Rate ___________________ _______
  P waves ___________________ _______
  PR interval ___________________ _______
  QRS duration ___________________ _______
 
  Fill in the blanks with correct word


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anoriega3

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Reply #1 on: Jun 25, 2018
Answer to Question 1

T

Answer to Question 2

Rhythm Atrial regular, ventricular regular or irregular depending on AV conduction or blockade.
Rate Atrial rate 250 to 450 beats/min, typically 300 beats/min; ventricular rate variable, determined by AV blockade; the ventricular rate will usually not exceed 180 beats/min because of the intrinsic conduction rate of the AV junction.
P waves No identifiable P waves; saw-toothed flutter waves are present.
PR interval Not measurable.
QRS duration 0.11 seconds or less, but may be widened if flutter waves are buried in the QRS complex or if abnormally conducted.


dalyningkenk

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Reply 2 on: Jun 25, 2018
Gracias!

flexer1n1

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Reply 3 on: Yesterday
Excellent

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