Term
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Definition
| Electric energy-heart-recording |
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Term
| What does electrocardiogram do? |
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Definition
| It records the hearts electrical activity. |
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Term
| How many LEADS does a ECG produce? |
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Definition
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Term
| How many total electrodes are on a ECG machine? |
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Definition
| There are a total of 10 ELECTRODES. |
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Term
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Definition
| It is the electrical signal of the heart, in laymens terms; it is the picture of the heart shown through a graph. |
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Term
| What are the three layers of the heart wall? |
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Definition
| Endocardio, myocardium and epicardio. |
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Term
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Definition
| inner layer of the heart. |
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Term
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Definition
| middle layer of the heart, it is the muscle of the heart. |
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Term
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Definition
| outside layer of the heart. |
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Term
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Definition
| two layer sac enclosing the heart. |
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Term
| how many sacs is the pericardium composed of and name them. |
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Definition
| 2 sacs- visceral layer and parietal layer. Visceral layer is the inner layer and the parietal layer is the outer layer. |
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Term
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Definition
| An excess accumulation of fluid between the pericardo space; visceral and parietal. |
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Term
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Definition
| space between the visceral and parietal layer. |
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Term
| Name the four chambers of the heart |
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Definition
| Right Atrium, Right Ventricle, Left atrium and left ventricle. |
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Term
| name the 4 valves of the heart. |
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Definition
| Tricuspid valve, Pulmonic valve, mitral/biscuspid valve and aortic valve. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Blue discoloration of the skin due to lack of oxygen. |
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Term
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Definition
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Term
| Interventricular valve/ A-V valve |
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Definition
| is composed of the tricuspid valve and mitral/biscuspid valve. |
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Term
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Definition
| shape of the hearts flaps of the pulmonic valves and aortic valves. |
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Term
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Definition
condition in which the bicuspid vlave flip flops during ventricular contraction. IN other words the valves do not close all the way.
Depending on the severity the doctor will usually prescribe iron pills or heart surgery. |
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Term
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Definition
| the volume of blood pumped by each ventricle in a single heart beat. It is around 60-70 cc/ beat. |
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Term
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Definition
amount of blood pumped by the heart in one minute. It is around 60-100 BPM.
To compute it; HR*Stroke volume. |
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Term
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Definition
| slow hear rate, that is less then 60 beats/min. |
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Term
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Definition
| fast heart rate, that is more then 100 BPM |
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Term
| another term for one cardiac cycle |
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Definition
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Term
| another term for one heart beat |
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Definition
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Term
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Definition
| relaxation of the heart, think of DIE. |
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Term
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Definition
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Term
| another term for one cardiac cycle |
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Definition
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Term
| Can there be a diastole and systole period at the same time ? |
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Definition
| NO only alternating action between systole and diastole. |
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Term
| another term for one cardiac cycle |
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Definition
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Term
| what is the time for one cardiac cycle? |
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Definition
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Term
| How do you measure blood pressure? |
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Definition
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Term
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Definition
| Have the ability to fire out electrical energy autonomously---this is called automaticity |
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Term
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Definition
| first property of pacemaker cells- it is the ability to fire out electrical energy autonomously and spontaneously. IN laymens terms , there is no command from the brain or else where. |
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Term
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Definition
| the ability to respond to an electrical impulse. |
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Term
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Definition
| ability to transfer electrical impulse to other cells. |
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Term
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Definition
| ability of the muscles of the heart to contract |
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Term
| Name the order of the electrical conduction system of the heart. |
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Definition
1. SA node Atrial contraction/ atrial depolarization
AV node- P wave
2. AV node
3.Bundle of His
4.Bundle branches- right bundle branch and left bundle branch.
5.Purjinke Fibers
Ventricular contraction/ Ventricular depolarization. |
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Term
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Definition
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Term
| What is the natural pace maker? |
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Definition
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Term
| Name the order of the electrical conduction system of the heart. |
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Definition
1. SA node Atrial contraction/ atrial depolarization
AV node- P wave
2. AV node
3.Bundle of His
4.Bundle branches- right bundle branch and left bundle branch.
5.Purjinke Fibers
Ventricular contraction/ Ventricular depolarization. |
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Term
| Where is the AV node located |
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Definition
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Term
| where is the sa node located |
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Definition
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Term
| where is the bundle of his located |
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Definition
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Term
| Where is the left and right bundle branches located |
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Definition
| in between RV and LV below Bundle of HIS |
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Term
| Where is the perjinke fibers located |
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Definition
| around the left and right ventricles. |
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Term
| where is the sa node located |
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Definition
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Term
| What exactly does the ECG measure? |
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Definition
| Depolarization and Repolarization |
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Term
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Definition
| another word for base line./ straight line on the EKG graph. |
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Term
| what wave letters represent one heart beat |
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Definition
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Term
| Every wave begins and ends on the_____ what? |
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Definition
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Term
| one small square is measured as? |
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Definition
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Term
| time to cover one mm in a ekg graph? |
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Definition
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Term
| Name the INTERVALS of the PQRST |
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Definition
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Term
| what is the avg length of the qt interval? And what is the avg time to complete a QT interval? |
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Definition
9-11 mm
time =.36-.44 seconds |
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Term
| state the length and time it takes to complete the PR interval |
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Definition
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Term
| state length and time to complete QT interval |
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Definition
| 9-11mm and .36-.44 seconds |
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Term
| ST interval, state the length and time. |
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Definition
| TRICK question, ekg only measures repolarization and depolarization. since ST is on the baseline it is not measureed. |
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Term
| WHAT are the ELECTROLYTES involved in heart contraction |
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Definition
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Term
| If a qrs interval is missing any Q R or S wave is it ok? |
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Definition
| Yes, it can be missing two waves from the QRS at the most and it will still be ok |
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Term
| What is the U wave and why is it there? |
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Definition
| The U wave represents an electrolyte imbalance, it could possibly mean that your potassium level in the blood is low. |
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Term
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Definition
| Low potassium level in the blood. |
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Term
| name the electrodes placed on the limb |
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Definition
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Term
| which is the ground electrode. |
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Definition
| RL, and it must be connected to the RL at all times during EKG operation. |
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Term
| What are the BIPOLAR leads |
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Definition
| Lead 1, lead 2 and lead 3. |
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Term
| draw einthovens triangle with Augmented voltage and label + and negative including direction of the arrows.; |
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Definition
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Term
| The normal recording for lead one is +, true or false? |
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Definition
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Term
| normal recording of AVR is negative, true or false? |
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Definition
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Term
| name the precordial leads and location of it |
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Definition
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Term
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Definition
| angle of lewis is one inch from the super sternal notch and that one inch margin is where the second ICS is located |
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Term
| standard ecg RECORDING SPEED IS |
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Definition
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Term
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Definition
| indicated in vertical position measured in .1mv per small square. |
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Term
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Definition
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Term
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Definition
| waveforms coming from sources outside of the heart. |
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Term
| most common form of artifacts |
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Definition
| patient movement= somatic muscle tremor= RESULTS FROM PATIENT MOVEMENT. |
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Term
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Definition
| results from patient movement. |
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Term
| Wandering baseline, shifting baseline, baseline shift |
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Definition
| Indicates loose electrodes or connections. |
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Term
| 5 basic steps in EKG interpretation. |
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Definition
| Checking heart rhythm, checking heart rate, Checking PRI interval , Checking QRS complex, Checking T wave. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| lack of blood supply to any body tissue. |
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Term
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Definition
Chest pain due to lack of blood to the myocardium tissue.
One way to treat is to use nitroglycerin- dilates blood vessels to bring more blood flow to heart. |
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Term
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Definition
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