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Author Question: Management of a patient with a sinus tachycardia might include _____. a. identification and ... (Read 64 times)

serike

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on: Jun 25, 2018
Management of a patient with a sinus tachycardia might include _____.
 
  a. identification and treatment of the underlying cause
  b. administration of atropine
  c. use of a pacemaker
  d. vagal maneuvers, such as carotid sinus pressure

Question 2

Which of the following correctly reflects the ECG criteria for a sinus rhythm?
 
  a. More P waves than QRS complexes
  b. P waves that look alike and upright in lead II, one before each QRS complex
  c. Irregular atrial and ventricular rhythm
  d. PR interval exceeding 0.20 seconds


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al

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

A
Treatment for sinus tachycardia is directed at correcting the underlying cause (i.e., fluid replacement, relief of pain, removal of offending medications or substances, reducing fever or anxiety). Sinus tachycardia in a patient experiencing an acute myocardial infarction (MI) may be treated with medications to slow the heart rate and decrease myocardial oxygen demand (e.g., beta-blockers), provided there are no signs of heart failure or other contraindications.

Answer to Question 2

B
Characteristics of sinus rhythm:
Rhythm R-R and P-P intervals are regular
Rate 60 to 100 beats/min
P waves Positive (upright) in lead II; one precedes each QRS complex; P waves look alike
PR interval 0.12 to 0.20 seconds and constant from beat to beat
QRS duration 0.11 seconds or less unless abnormally conducted


serike

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Reply 2 on: Jun 25, 2018
:D TYSM

AISCAMPING

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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