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Mod D Unit 3
Review
| Question | Answer |
|---|---|
| PVC | premature ventricular contraction |
| PAC | premature atrial contraction |
| tid | 3 x day |
| a.c. | before meals |
| p.c. | after meals |
| NPO | nothing by mouth |
| QD | every day |
| CCU | coronary/critical care unit |
| CHD | coronary heart disease |
| CHF | congestive heart failure |
| noc | night |
| qam | every morning |
| qd | every day |
| qod | every other day |
| qh | every hour |
| q2h | every two hours |
| q3h | every three hours |
| q4h | every four hours |
| qhs | every hour sleep |
| qid | four times a day |
| quad | four |
| R,rt | right |
| SA | sinoatrial |
| S&S, s/s | signs and symptoms |
| stat | immediately |
| TPR | temp,pulse,resp |
| Tx | treatment |
| VO,v/o | verbal orders |
| shift on the EKG tracing from the baseline or center of the paper | wandering baseline |
| cardiac cycle | one heart beat |
| baseline | the line that separates the various cardiac waves |
| ventricular tachycardia three or more consecutive premature ventricular contractions with the heart rate above | 100BPM |
| electrocardiograph | a machine that records the electrical activity of the heart |
| U wave | small upward curve that occasionally follows a complete ECG cycle after the PQRS interval |
| altering current | electrical interference that appears as small, uniformed spikes on an EKG tracing |
| arrhythmia | abnormal heart rate |
| pacemaker | a device that delivers electrical impulses to the heart when the SA node fails |
| stylus | heated device that records the hearts activity on heat sensitive paper |
| premature atrial contraction | condition in which an electrical impulse in the atria starts before the next expected heart beat |
| ischemia | a condition of poor blood supply to body tissues causing a lack of O2 to be delivered to the tissues |
| amplifier | a device on the EKG that magnifies the hearts electrical impulses so they can be recorded |
| Electrical stimulation of the ventricular tissue takes place in the | purkinje fibers |
| The precordial leads include | V1-V6 |
| If the SA node does not stimulate electrical impulses in the heart, this function is usually taken over by the | AV node |
| Electrocardiograms are usually recorded with the ECG paper moving at the speed of | 25mm/second |
| What chest lead is locate on the 4th intercostal space left of the sternum | V2 |
| The aVR, aVL, and aVF leads are called | augmented leads |
| The portion of the electrocardiogram (ECG) that relates to ventricular depolarization is the | QRS Complex |
| Leads I, II, and III are called | standard/bipolar |
| In lead I, activity of the heart is being measured from the | right arm to the left arm |
| The standard ECG consists of how many leads | 12 |
| In the most commonly used position on the electrocardiograph, the amplitude of a correctly adjusted standardization mark is | 10mm |
| Electrocardiograph paper is | heat sensitive |
| When no abnormalities show during a resting ECG, the physician may order an exercise ECG, Another name for this test is | stress test |
| Making certain that an ECG taken on one machine will compare to a tracing taken on another machine is called | standardized |
| Discharge of electrical energy occurs during | depolarization |
| what wave is the first wave of the cardiac cycle | P wave |
| The augmented leads are | unipolar |
| The most common non-medical term for a myocardial infarction | heart attack |
| What is the term used to refer to an electrocardiogram that is within normal limits | normal sinus rhythm |
| The QRS complex represents the contraction of the | ventricles |
| An exercise tolerance test is also known as a | cardiac stress test |
| Which wave represents re-polarization | T wave |
| Interference picked up by the ECG machine is known as | artifact |
| What is the name given to the modified myocardial cells that set the pace of the heart | SA node |
| A device on the skin that picks up electrical impulses given off by the heart is known as a | electrode |
| Any deviation from “normal” on the electrocardiogram (ECG) tracing originating from the patient’s heart is known as | arrhythmia |
| What records the electrical activity of the heart | EKG/ECG |
| The flat horizontal line that separates the various waves is known as | baseline |
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