Qrs - Study guides, Class notes & Summaries
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BAMC Telemetry Test 100% verified!!
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BAMC Telemetry Test 100% verified!! 
 
P wave -ANSWER -Impulse at SA node 
-Last .10 secs 
 
.10 seconds -ANSWER Duration of P wave 
 
PR interval -ANSWER - Measured at the beginning of P wave through beginning of QRS 
-Lasts between .12-.20 seconds 
 
.12-.20 -ANSWER Duration of PR Interval 
 
QRS complex -ANSWER -Measured from Q to S 
-.04-.10 seconds 
 
.04-.10 -ANSWER QRS complex duration 
 
ST Segment -ANSWER -Measured from end of QRS to onset of T 
-Duration of .08 secs 
 
.08
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EKG Clep Test (50) Questions and Answers 2023-2024 Verified. A+ Graded.
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EKG Clep Test (50) Questions and Answers 2023-2024 Verified. A+ Graded.Question 1 of 50 CORRECT 
A normal QRS should be less than .12 seconds 
Question 2 of 50 CORRECT 
Identify the rhythm: 
Question 3 of 50 CORRECT 
At Houston Healthcare a nurse who is deemed competent in rhythm interpretation is required to sign 
off his/her strips every shift. 
Question 4 of 50 CORRECT 
Identify the rhythm: 
Question 5 of 50 CORRECT 
This picture represents (select two): 
Your Answer 
True 
Your Answer 
True ...
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UCLA EKG Test Questions And Answers All Verified
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UCLA EKG Test Questions And Answers, All Verified 
 
AV node rate 
40-60 bpm 
 
 
SA node rate 
60-100 bpm 
 
 
Purkinje fibers rate 
20-40 bpm 
 
 
PR interval is from _ to _? 
beginning of P wave to beginning of Q wave 
 
 
QRS interval is from _ to _? 
beginning of Q to end of S 
 
 
QT interval is from _ to _? 
beginning of Q to end of T 
 
 
PR interval normal duration 
0.12-0.20 s 
 
 
QRS normal duration 
0.04-0.12 s 
 
 
QT interval normal duration 
0.36-0.44 
 
 
Normal Sinus Rhythm (N...
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HFHS Critical Care Exam (A+ Graded Solutions)
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Normal Length for PR, QRS, and QT intervals. correct answers PR 0.12-0.20 sec, QRS 0.08-0.12 sec, and QT interval less than or = to 450 ms or half the R-R interval 
 
Big box on ECG readings = ___ seconds? correct answers 0.20 seconds 
 
Little boxes on ECG readings = ____ seconds? correct answers 0.04 seconds 
 
The mA that achieves capture is the _______ _________ correct answers pacing threshold 
 
Defibrillation energy settings (biphasic and monophasic) correct answers biphasic 120-200 j and...
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RELIAS DYSRHYTHMIA BASIC TEST ANSWERS 2024 (A+ GRADED 100% VERIFIED
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dysrhythmia aka arrhythmia - Correct answer - abnormal cardiac rhythms 
which can cause disturbances of: 
rate, rhythm, or both rate and rhythm 
how are dysrhythmias identified? - Correct answer Electrographic Waveform Analysis 
(ECG) 
what controls the rate and rhythm of the heartbeat? - Correct answer the heart's 
electrical system 
explain the heart's electrical system - Correct answer Each electrical signal (impulse) 
begins in a group of cells called the sinus node or sinoatrial (SA...
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ER EOR, PAEA EMERGENCY MEDICINE EXAM 2024 WITH 100% CORRECT ANSWERS
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a wide, bizarre QRS usually occurring earlier than expected with T wave in opposite direction? tx?Answer - PVC (premature ventricular contraction); no tx (may just be dehydrated) 
 
-subacute/s. viridans endocarditis treatmentAnswer - PCN OR ampicillin + gentamycin 
 
infection of the endothelium/valves 2ndry to colonization (during transient/persistent bacteremia)Answer - Endocarditis 
 
MC valve involved in infective endocarditis in non IVDAAnswer - mitral valve 
M>A>T>P 
 
MC val...
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Relias Dysrhythmia Basic Test Answers Solution guide 2022 ( updated 2023) A+ GRADED 100% VERIFIED)
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Relias Dysrhythmia Basic Test Answers Solution guide 2022 ( updated 2023) A+ GRADED 100% VERIFIED) 
 
Sinus Rhythm 
60-100bpm 
Present P-wave 
PRI 0.12-0.20 seconds 
QRS 0.12> seconds 
 
Sinus Brad 
ycardia 
40-60bpm 
Present P-wave 
PRI 0.12-0.20 seconds 
QRS 0.12> seconds 
 
Sinus Tachycardia 
100-160bpm 
Present P-wave 
PRI 0.12-0.20 seconds 
QRS 0.12> seconds 
 
Sinus arrhythmia 
Irregular 
Normal or slow 
Present P-Wave 
PRI 0.12-0.20 seconds 
QRS 0.12> seconds
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APEX EKG Test Perfect Your Scoring.
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ventricular filling 
QRS Complex 
Normal is <0.12 seconds usually between 0.06 to 0.10 seconds 
Ventricular depolarization 
QT Interval 
Normal 0.36-0.46 
6 Steps for Rhythm Interpretation 
Determine Regularity 
Calculate the Rate 
Evaluate the P wave 
Measure the PRI 
Evaluate the QRS Width 
Evaluate the T wave and Calculate the QTI 
Normal Sinus Rhythm 
Regularity: atrial and ventricular rate are regular 
Rate: 60 to 100 beats per minute 
P wave: upright, smooth, round and uniform shape, on...
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Cardiac Dysrhythmias Part 2 Questions With Complete Solutions
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Describe treatment of dysrhythmias correct answer: To determine if treatment is necessary, assess the patient. Then ask the following questions: 
Is he or she experiencing signs and symptoms of decreased cardiac output? 
Is the dysrhythmia potentially life threatening? 
If the answer to either of these questions is yes, the patient will need to treatment for the dysrhythmia. 
 
 
***WE WILL DISCUSS TREATMENTS OF DYSRHYTHMIAS BASED UPON CURRENT ACLS TREATMENT ALGORITHMS 
CLINICAL MANIFESTATIONS ...
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CARDIAC HEALTHSTREAM TELEMETRY EXAM Q & A 2023/2024
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CARDIAC HEALTHSTREAM TELEMETRY 
EXAM Q & A 2023/2024 
Normal Conduction System - CORRECT ANSWER--SA Node = Primary Pacemaker of 
the Heart, rate of 60-100 bpm 
-Internodal Pathways = Pathways connecting SA Node and AV Node 
-AV Node = Backup pacemaker, rate of 40-60 bpm 
-Bundle of His = splits nerve fibers down Left & Right Sides, His-Purkinje is conduction 
system of heart 
-L & R Bundle Brancehs = lead to left & right of the myocardium 
-Purkinje Fibers / Network = ends of the muscle, last...
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