« previous next »

Author Question: Which of the following are possible causes of sinus tachycardia? a. Hypothermia, hypovolemia b. ... (Read 27 times)

Garrulous

  • Hero Member
  • *****
  • Posts: 686
on: Jun 25, 2018
Which of the following are possible causes of sinus tachycardia?
 
  a. Hypothermia, hypovolemia
  b. Hypoxia, calcium channel blocker overdose
  c. Fever, pain, anxiety
  d. Vomiting, vagal maneuvers

Question 2

An ECG rhythm strip shows a ventricular rate of 128 bpm, a regular rhythm, a PR interval of 0.16 seconds, a QRS duration of 0.08 seconds, and one upright P wave before each QRS. This rhythm is sinus _____.
 
  a. arrhythmia
  b. bradycardia
  c. rhythm
  d. tachycardia


frogdreck123456

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jun 25, 2018
Answer to Question 1

C
Causes of sinus tachycardia include: acute myocardial infarction; caffeine-containing beverages; dehydration, hypovolemia; drugs such as cocaine, amphetamines, ecstasy, cannabis; exercise; fear and anxiety; fever; heart failure; hyperthyroidism; hypoxia; infection; medications such as epinephrine, atropine, and dopamine; nicotine; pain; pulmonary embolism; shock; sympathetic stimulation.

Answer to Question 2

D
The rhythm described fits the ECG criteria for a sinus tachycardia.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Nursing history for nose and sinus assessment Nursing history for nose and sinus assessment
Patient teaching: nose and sinus assessment Patient teaching: nose and sinus assessment
Detection of Hypovolemia by the Kidney and the Renin–Angiotensin System Detection of Hypovolemia by the Kidney and the Renin–Angiotensin System
Examples of heart rhythms: ventricular tachycardia. Examples of heart rhythms: ventricular tachycardia.
Ventricular tachycardia Ventricular tachycardia
Algorithm for Treatment of Hypothermia Algorithm for Treatment of Hypothermia
Video: Structures that affect circulation - kidneys and blood volume and skeletal muscle pumping

For a complete list of videos, visit our video library