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On: February 28, 2024 Posted in Quiz Answers Views: 290
Quizzma TeamBasic A 35 Questions
Contents hide
1Basic A 35 Questions
2Study Set
2.1Cardiac Conduction System Rates
2.2ECG Box Measurements
2.3Junctional Rhythms Characteristics
2.4Wave Measurements
2.5Heart Rate Calculation Methods
2.6Types of PVC Arrhythmias
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Read Also: Relias Dysrhythmia Basic B Test Answers.
Study Set
![Relias Dysrhythmia Basic A Test Answers (15) Relias Dysrhythmia Basic A Test Answers (15)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/dLUIFgECjQAViFDTvd5mWQ.webp)
Normal sinus rhythm | Regular Rate: 60-100 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec |
![Relias Dysrhythmia Basic A Test Answers (16) Relias Dysrhythmia Basic A Test Answers (16)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/rw1XYI36igEu1s7H6NACpQ.webp)
Sinus Bradycardia | Regular Rate: <60 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec |
![Relias Dysrhythmia Basic A Test Answers (17) Relias Dysrhythmia Basic A Test Answers (17)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/mDiVtbB627AOJ8CLQgRCg.jpg)
Sinus Tachycardia | Regular Rate: 100-150 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec |
![Relias Dysrhythmia Basic A Test Answers (18) Relias Dysrhythmia Basic A Test Answers (18)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/iZ21zHF4dSc5WUFYW9RmsQ.jpg)
Premature Atrial Contraction | IRREGULAR Rate: depends on underlying rhythm P wave: Present or hidden in T wave PR Interval: 0.12-0.20 sec QRS: <0.12 sec |
![Relias Dysrhythmia Basic A Test Answers (19) Relias Dysrhythmia Basic A Test Answers (19)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/mqFRnp1dhn48X4mXD1nvYA.webp)
Atrial Fibrillation | IRREGULAR Atrial rate: UNMEASURABLE Ventricular rate: variable P wave: unable to see PR Interval: N/A QRS: <0.12 sec |
![Relias Dysrhythmia Basic A Test Answers (20) Relias Dysrhythmia Basic A Test Answers (20)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/O6t3eOLAc4fEARIdQXMXvQ.webp)
A fib RVR | IRREGULAR Ventricular rate: 100-175 P wave: unable to see PR Interval: N/A QRS <0.12 sec |
![Relias Dysrhythmia Basic A Test Answers (21) Relias Dysrhythmia Basic A Test Answers (21)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/ac96gRKFOqd74RXkTXBs2A.png)
Atrial Flutter | Usually REGULAR can be irregular Atrial rate: 250-350 Ventricular rate: variable BUT < atrial rate P Wave: Flutter PR Interval: N/A QRS: <0.12 sec |
![Relias Dysrhythmia Basic A Test Answers (22) Relias Dysrhythmia Basic A Test Answers (22)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/V.Iysu-fNa6SbtD4ujDTuw.jpg)
Supraventricular Tachycardia | Regular Rate: 150-350 P wave: Hidden in QRS or T wave PR: unable to determine QRS: <0.12 sec |
![Relias Dysrhythmia Basic A Test Answers (23) Relias Dysrhythmia Basic A Test Answers (23)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/nE9cx5DspvBY5yzNenWPQ.webp)
Junctional Rhythm | Regular Rate: 40-60 P Wave: ABSENT or INVERTED PR Interval: None or <0.12 QRS: <0.12 sec |
![Relias Dysrhythmia Basic A Test Answers (24) Relias Dysrhythmia Basic A Test Answers (24)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/1gQTEEh-ltRdEBEl0WPWQA.png)
Accelerated Junctional Rhythm | Regular Rate: 60-100 P Wave: NONE or INVERTED PR Interval: None or <0.12 QRS: <0.12 sec |
![Relias Dysrhythmia Basic A Test Answers (25) Relias Dysrhythmia Basic A Test Answers (25)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/kdomMz59A77PziDfi5nwLQ.jpg)
Junctional Tachycardia | Regular Rate: >100 P Wave: NONE or INVERTED PR Interval: None or <0.12 QRS: <0.12 sec |
![Relias Dysrhythmia Basic A Test Answers (26) Relias Dysrhythmia Basic A Test Answers (26)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/qK-btTTCIqvoRo5zesEn1A.jpg)
Premature Ventricular Contraction | IRREGULAR Rate: refer to underlying rhythm P Wave: NONE PR Interval: N/A QRS: WIDE and BIZARRE , >0.12 sec |
![Relias Dysrhythmia Basic A Test Answers (27) Relias Dysrhythmia Basic A Test Answers (27)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/Ua1AkTiXsynqzjNframwyg.png)
Ventricular Tachycardia | Regular Rate: >100 P Wave: NONE PR Interval: N/A QRS: WIDE and BIZARRE, >0.12 sec |
![Relias Dysrhythmia Basic A Test Answers (28) Relias Dysrhythmia Basic A Test Answers (28)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/CjDcbAQlKL7_xiW5mLNZQ.jpg)
Ventricular Fibrillation | Chaotic Coarse: big waves Fine: small waves Rate: unmeasurable P Wave: NONE PR Interval: N/A QRS: N/A |
![Relias Dysrhythmia Basic A Test Answers (29) Relias Dysrhythmia Basic A Test Answers (29)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/oPlyAdo-DAfBWj2b2b5MrA.jpg)
Idioventricular | Regular Rate: 20-50 P wave: NONE PR Interval: N/A QRS: WIDE, >0.12 sec |
![Relias Dysrhythmia Basic A Test Answers (30) Relias Dysrhythmia Basic A Test Answers (30)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/9GR-FlSiHM7t4-NNN95MIg.jpg)
Accelerated Idoventricular Rhythm | Regular Rate: 50-100 P wave: NONE PR Interval: N/A QRS: WIDE, >0.12 sec |
![Relias Dysrhythmia Basic A Test Answers (31) Relias Dysrhythmia Basic A Test Answers (31)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/E52nib9SRCca4K.webp)
1st Degree AV Block | Regular Rate: 60-100 P Wave: Present, upright PR interval: >0.20 sec CONSISTENTLY LONG QRS: <0.12 sec Husband stays late till 9 consistently |
![Relias Dysrhythmia Basic A Test Answers (32) Relias Dysrhythmia Basic A Test Answers (32)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/z7_mp6xLTCHIHSGG46rz8w.jpg)
2nd Degree AV Block Type I Mobitz, Wenckebach | IRREGULAR Rate: 60-100 P wave: Present, upright PR Interval: Progressively longer until drop (PR interval longer and longer until drop) QRS: <0.12 sec Husband stays late till 9, then 11, then 1, then doesn’t come home at all |
![Relias Dysrhythmia Basic A Test Answers (33) Relias Dysrhythmia Basic A Test Answers (33)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/B4GmcAkI1dRQCZDj2b7VrA.jpg)
2nd Degree AV Block Type II | Irregular or regular Rate: <60 P wave: Present, upright PR Interval: PR interval consistently LONGER like type 1 but then a QRS will drop QRS: <0.12 sec Husband stays late till 9 consistently, then wife goes out and doesn’t come home |
![Relias Dysrhythmia Basic A Test Answers (34) Relias Dysrhythmia Basic A Test Answers (34)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/ZNFDGVoUsuhTXqu1Pq1OlQ.png)
3rd Degree AV Block | Atrials and ventricles don’t communicate Rate: regular atrial P wave: Present, upright No relationship between P waves and QRS PR Interval: VARIABLE QRS: variable P-P ad R-R consistent but NO correlation Husband and wife live separate lives and don’t communicate |
![Relias Dysrhythmia Basic A Test Answers (35) Relias Dysrhythmia Basic A Test Answers (35)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/URC3e1Qpc6JlYuLCa1OFUg.jpg)
Unifocal PVCs | Only 1 shape PVC |
![Relias Dysrhythmia Basic A Test Answers (36) Relias Dysrhythmia Basic A Test Answers (36)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/9Ydhxx9xa0eeib0lhC9.nw_.jpg)
Monomorphic V Tach | Same Shapes V Tach |
![Relias Dysrhythmia Basic A Test Answers (37) Relias Dysrhythmia Basic A Test Answers (37)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/alN6.z1BJq1WYmJtGQD7tA.png)
Polymorphic V Tach | Different Shapes V tach |
![Relias Dysrhythmia Basic A Test Answers (38) Relias Dysrhythmia Basic A Test Answers (38)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/tj5hUfnrzFfo4nB-7JV2fQ.webp)
Coarse V Fib | Chopy but not as high as polymorphic V tach |
![Relias Dysrhythmia Basic A Test Answers (39) Relias Dysrhythmia Basic A Test Answers (39)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/Fine-V-Fib.webp)
Fine V Fib | Fine and fibrillatory |
![Relias Dysrhythmia Basic A Test Answers (40) Relias Dysrhythmia Basic A Test Answers (40)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/OG7HhR-gRrDDeKcgEpYuqA.png)
Failure to Capture | Spikes with no QRS |
![Relias Dysrhythmia Basic A Test Answers (41) Relias Dysrhythmia Basic A Test Answers (41)](https://i0.wp.com/quizzma.com/wp-content/uploads/2024/02/TG-OYbTNdi5VRe0IAPcJSg.jpg)
Failure to Sense | Spikes happen regardless of QRS on their own |
Cardiac Conduction System Rates
Component | Order | Rate (beats per minute) |
---|---|---|
SA Node | 1st | 60-100 |
AV Node | 2nd | 40-60 |
Bundle of His | 3rd | 40-45 |
Right and Left Bundle Branches | 4th | 40-45 |
Purkinje Fibers | 5th | 20-50 |
ECG Box Measurements
Description | Measurement |
---|---|
1 Small Box | 0.04 sec |
1 Big Box | 0.20 sec |
Junctional Rhythms Characteristics
Feature | Description |
---|---|
SA Node Status | DID NOT FIRE |
AV Node Status | Fired |
P Wave | NO P WAVE bc SA node didn’t fire |
QRS Complex | Narrow QRS |
Wave Measurements
Wave | Characteristic | Measurement |
---|---|---|
P Wave | Amplitude; Compared to T wave; Origin | 0.5-2.5 mm; Will be shorter than T wave; Shows firing of SA node |
QRS | Duration; Criteria; Implications | 0.06-0.10 sec SHOULD BE <0.12 sec; Wide QRS indicates delay in ventricular contraction or conduction delay through bundle branches or Purkinje fibers; BUNDLE BRANCH BLOCK or BLOCK IN PURKINJE FIBERS (idioventricular) |
Heart Rate Calculation Methods
Method | Formula |
---|---|
Calculate Regular Rate | 1500 / # boxes between R-R |
Calculate Irregular Rate | # of Rs in 6 sec strip X 10 |
Types of PVC Arrhythmias
Arrhythmia | Description |
---|---|
Bigeminy | PVC occurs every OTHER beat |
Trigeminy | PVC occurs every THIRD beat |
Couplet | 2 PVCs together |
Triplet | 3 PVCs together |
Multifocal | Multiple shapes |
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