Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

ECG

QuestionAnswer
P wave atrial DEpolarization
PR interval time required for impulse to travel from atria through conduction system to Purkinje fibers
QRS wave ventricular DEpolarization
ST segment beginning of ventricular REpolarization
T wave ventricular REpolarization
QT interval time for electrical systole
Heart Rate # of intervals between QRS complexes in a 6-second strip multiplied by 10
Ventricular arrhythmias originate from an ectopic focus in the ventricles (outside normal conduction system)
Ventricular fibrillation pulseless, emergency situation requiring EMT: CPR, defibrillation, medications
Premature ventricular contractions (PVCs) NO P wave, bizarre & wide QRS that is premature, followed by a long compensatory pulse
Serious PVCs >6 per minute, paired or in sequential runs, multifocal, very early PVC (R on T Phenomena)
Ventricular tachycardia 3 or more PVCs occuring sequentially; very rapid rate (150-200 bpm)
Ventricular tachycardia wide, bizarre QRS waves, NO P waves, seriously compromised cardiac output
Ventricular fibrillation chaotic activity of ventricle originating from multiple foci; unable to determine rate
Ventricular fibrillation bizarre, erratic activity without QRS complex
Ventricular fibrillation No effective cardiac output; clinical death within 4-6 mins
Atrial arrhythmias (supraventricular) Rapid & repetitive firing of 1 or more ectopic foci in the atria
Atrial arrhythmias (supraventricular) P waves abnormal (variable in shape) or not identifiable (atrial fibrillation)
Atrial tachycardia 140-250 bpm
Atrial flutter 250-350 bpm
Atrial fibrillation >300 bpm
Atrioventricular blocks ab(N) delays or failure to conduct through (N) conductiong system
If ventricular rate is slowed, Cardiac output is decreased
3rd degree AV block life threatening, requires meds (ATROPHINE), pacemaker
ST depression impaired coronary perfusion (ischemia or injury)
MI central zone of infarction Ab(N) Q waves
MI zone of injury ST elevation
MI zone of ischemia T wave inversion
Hyperkalemia wide QRS, flat P wave, peaked T wave
Hypokalemia flat T wave (or inverted), produces U wave
Hypercalcemia wide QRS, short QT interval
Hypocalcemia prolonged QT interval
Hypothermia ST segment elevation; slow rhythm
Digitalis ST segment depression, flattened T wave (or inverted), shortened QT
Quinidine long QT, T flat/inverted, QRS long
BetaBlockers (Propranolol/Inderal) decreased heart rate, blunts HR response to exercise
Nitrates (nitoglycerin) Inc HR
Antiarrhythmic agents may prolong QRS & QT intervals
Created by: bluepunkstar
Popular Physical Therapy sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards