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NHA EKG RVW
| Question | Answer |
|---|---|
| An EKg records the? | Electrical activity of the heart |
| Electrodes are also referred to as? | Leads |
| Which of the following is a reason that a physician requests excercise electrocardiography? | Congestive heart failure |
| Which of the following is NOT an EKG Tech's responsibility during excercise electrocardiography? | Administration |
| The normal running speed is of the EKG paper is | 25 mm/sec |
| The small squares horizontally on teh EKG paper equal | .04 sec |
| The verticle axis of the EKG paper measures | Voltage/Amplitude |
| The stylus marks the EKG paper by | Heat |
| With normal sesitivity setting 1 m V of electricity elevates the standardization mark | 10 mm |
| a normal standardizations mark should measure | 10 mm |
| This ensures a check of the internal calibration of the EKG machine | Standardization button (1mV button) |
| How many electrodes are attached to the patient for Holter Monitoring | 3 |
| 5th intercostal space midclavicular line, LEFT side | V4 |
| The midpoint between V2 and V4 is... | V3 |
| 4th Intercostal space, RIGHT side ofteh sternum | V1 |
| 5th Intercostal space, midaxillary line, LEFT side | V6 |
| the correct lead from the center of the heart to the positive pole of the leg is | AVF |
| The correct lead from the RIGHT arm to the LEFT leg is ... | II |
| The correct lead from the RIGHT arm to the LEFT arm is ... | I |
| The correct lead from the center of the heart to the positive pole of the RIGHT arm is | AVR |
| The correct lead from the LEFT arm to the LEFT leg is... | III |
| A normal PR interval should measure | .12-20 seconds |
| The inherent rate of the A-V Junction is... | 40-60 pulses per minute |
| The proper electrode placement for Holter monitoring is... | Anterior of the body |
| ventricular reploarization results in which of the following events? | Relaxation |
| Which of the following changes takes place during respiration? | The R-R intervals shorten with inspiration |
| A normal sinus rhythm can have all the following features except | PR interval of .24 seconds |
| What will often produce an irregular rhythm? | Sinus dysrhthmia |
| What sinus rythm has a rate of more than 100 beats per minute | Sinus tachycardia |
| Which limb sensor is teh reference or ground electrode | Right Leg |
| EKG strips must include the following information | Pt's name and id number |
| One method to calculate heart rate from an EKg strip is to | count the small boxes between the R-R inerval and divide into 1500 |
| Which of the following will not interfere with an EKG tracing | Pt falling asleep |
| Which of the following results in a wandering baseline on a EKG | Tension or pulling an electrode lead wire |
| If teh R-R interval on an EKG tracing is 5 LG squares, the heart rate for this pattern is | 60bpm |
| The S wave is characterized as | The first negative wave after R |
| The Q wave, if present, is always | Negative |
| The PR interval is measured from | The beginning of the P wave to the endo of the PR segment |
| There is always a P wave before EVERY QRS complex | |
| The heart rate for this patient is | 75bpm |
| The rhythm for this patient is | Normal Sinus Rhythm |
| What is the duration of the PR interval | .2 seconds |
| The first electrical impulse that is recorded on the EKG paper during a normal cardiac cycle | P Wave |
| Several wave forms are defined as | Complex |
| Movement away from the baseling is called | Wave Form |
| A wave form and segment are called | Interval |
| A line between wave forms is called | Segment |
| The P wave is | Atrial Depolarization |
| The PR segment is | Delay at the AV node |
| The QRS complex is | Atrial Depolarization |
| The ST segment is | Pause between ventricle depolarization and ventricle polarization |
| The T wave is | Ventricular repolarization |
| A small wve that appears after a T wave that is occasionally seen is called the ... | U Wave |
| Who assigned the letters associated with the formation od the PQRS waves | Einthoven |
| What is te correct order of the chain of infection | Source, Means of Transmission, and susceptible host |
| A female pt complains about the EKG procedure ans states :its against my religion to be disrobed in front of male tech. The appropriate response would be | Get a a female EKG technichican to perform the test |
| Which of the following test requires an informed consent signed by the pt | Excercise cardiac stress test |
| If the pt asks about the test results, your response should be | The doctor will give you your test results |
| Tissue swelling die to the accumulation of interstitial fluids is called | edema |
| which of the following is a concept of HIPPA | confidentiality/Privacy |
| Hyotension is defined as what | systolic pressure above 150 mm Hg diastolic pressure above 90 mm Hg |
| Which of the following instruments measures blood pressure | Sphygmomanometer |
| Deoxygenated blood enters the RIGHT ATRIUM via the | Superior and inferior vena cavae |
| A murmur is an abnormal sound that may indicate | Structural Heart Dz |
| The term used to describe the amount of blood pumped by the heard per minute is called | Cardiac Output |
| Narrowing of the valve between the LEFT atrium and the LEFT ventricle is called | Mitral Stenosis |
| Blood Flow from the heart to the lungs via | Pulmonary Arteries |
| This type of blood vessel contains oxygenated and deoxygenated blodd | Capillaries |
| What supplies blood to the heart muscle | Coronary Arteries |
| What part of the heart is responsible for contraction and relaxation | Myocardium |
| The primary pacemaker for the healthly heart is the | SA NODE |
| Myocardial infarction is the medical name for | a heart attack |
| What type of coagulation does the descending aorta oxygenated blood to the body | Systgematic Circulation |
| An electrical event that expected to result in contraction is | Depolarization |
| The medical term for fainting is | syncope |
| The protective sac that covers the heart is | Pericardium |
| Another name for the bicuspid valve is the | Mitral Valve |
| What part of the 4 chambers has the thickes myocardium | Left Ventricle |
| The exchange of oxygen and carbon dioxide occurs at hte level of the | Alveoli |
| Blood leaves the RIGHT VENTRICLE and passes through this valve asit enters teh blood vessel | Pulmonic Seminar |
| The ability if hte cardiac pacemaker cells to spontaneously generate their own electrical impulses without external stimulation is known as | Automaticity |
| A pounding or racign of the heart, such that the pt is awasre of his/her heartbeat, is called a | Papitation |
| in CPR what is the correct ratio of breaths to compression | 2 breaths to 30 compressions |
| According to teh new CDC guidelines, standard and precautions to prevent the spread of infection from all of the following exrpt... | Non-intact Skin |
| The LEFT ATRIUM | Revieves oxygenated blood from the lungs via pulmonary veinns |
| The Apex of the heart | Points downward and to the left |
| The protective sac that covers the heart is called | Pericardium |
| Another name for bicuspid valve is the | Mitral Valve |
| Which of the following chambers has the thickest myocardium | Left ventricle |
| The exchange of oxygen and carbon dioxide occurs at teh level of the | Alveoli |
| Blood Leaves the RIGHT VENTRICLE and passes through the valve as it enters the blood count | Pulmonic Seminar |
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