• Chapter 19
    3. What is the function of pericardial fluid? Reduces friction between the membranes as the heart moves 4. From most superficial to deepest, what are the layers of the pericardium and heart wall? Fibrous pericardium, serous pericardium, epicardium, myocardium, endocardium 5. What function...
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  • ecg basics
    pattern, there are five letters : P,Q,R,S,T. Each one of these letters represents what is known as an ECG wave. Notice how each one of them starts and stops on the isoelectric line. The term complex is usually used to mean a group of adjacent waves. The P wave represents atrial activation; the...
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  • The Effect of Temperature on the Growth and Survival of Micro-Organisms.
    electrocardiogram: P, QRS and T waves (Fig. 1.2): The P wave represents atrial depolarization. The PR interval represents the time taken for the cardiac impulse to spread over the atrium and through the AV node and His–Purkinje system. The QRS complex represents ventricular depolarization. The T wave represents...
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  • Lab Report
    of waves, and changes in the time intervals on ECG are helpful in diagnosing a potential heart problem. In every ECG, there are boundaries or intervals that are used to explain the nature of any heartbeat. Such intervals are P-R interval, QRS complex, the Q-T segment, the P-R segment, the P and T waves...
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  • Ekg Course Notes & Outlines
    Chapter #5 Rhythm Interpretation * ECG Wave form Components- Waves, Segments, Intervals ** Evaluated and classified based on Size, Length of time, & Location on the Trace. All of these components determining the types of CARDIAC RHYTHM’s. 1. First- gather all the data regarding the...
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  • ANP102
    Blood a. Describe the components of blood. b. Define hematocrit. What is a normal hematocrit? How can a hematocrit be used to identify anemia? c. Describe hematopoiesis. Which cell gives rise to all the formed elements? What proteins promote differentiation? d. List the characteristics...
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  • Electrocardiography
    measures and averages the difference between the electrical potential of electrode sites for each lead and graph them over time, creating the started ECG complex, called PQRST (Nurse’s Quick Check: 2006). It is noninvasive, virtually risk free, and relatively inexpensive. It uses 10 electrodes to measure...
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  • Ecg Recognition
    again, in order to determine any irregularity, we need to study what is healthy, and find the discrepancies. Heart rhythms are measured in waves, complexes (spikes) and intervals (time lapses), which are assigned the letters P-T. P is a wave representing atrial depolarization, which causes the atria...
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  • Ekg Lab Report
    conduction system is what coordinates the beating of the heart by generating and conducting rhythmic electrical signals. The sinoatrial node (SA) is a cluster of modified cardiocytes found at the junction of the right ventricle with the superior vena cava (A. Jimenez). This is what stimulates the heart...
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  • Pathophysiology summary
    WITHIN THE HEART MUSCLE OF THE INDIVIDUAL ECG WAVES. P wave – atrial depolarization. Should be between 2, 5 - 3 mm high and 0,04 – 0,11 sec (1 – 3 small blocks wide). QRS complex – ventricular depolarization. Normal duration of QRS complex is 0, 10 sec. T wave – ventricular repolarization. Normal duration...
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  • Ecg Lab Report
    rate by comparing the waves to what the electrocardiogram reading said. The electrocardiogram is divided into five main parts. The first small peak is the P wave; it represents atrial depolarization (Eric, 2011). Next is the QRS complex; the QRS consist of the Q, R and S. The complex will occur because...
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  • Ekg Measurement and Interpretation at Rest and During Exercise
    the most QRS complexes due to the fact that the subject’s heart rate was the highest while exercising. Discussion: As previously stated, an EKG measures the electrical currents of the heart. There are different waves shown on an EKG. Each wave is represented by a letter. The first small wave is known...
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  • Cardiology
    activity *artifact- "what u want to eliminate" :muscle tremors, shivering, patient movement, loose electrodes all affect artifact. **Leads are "pictures" of the heart **Electrodes are what you put on the patient **You put 10 electrodes on patients to get a 12 Lead ECG Lead #2 is what you use for standard...
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  • Critical Care Nursing
     Your patient’s ECG shows depression S-T in leads V1–V2 and ST elevation in Leads II, III, and AVF. You realize that this indicates: Acute inferior infarction. Acute Anterior infarction Acute Lateral infarction Acute inferior-Posterior infarction The above ECG changes can be found if...
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  • Lbyphyp Ekg Martinez
    experiment, we investigated the wave forms presented by the electrocardiogram reading and relate it to the heart’s electrical activity of the members. We first attached one electrode each on the inner left and right forearm and on the right wrist. Then, we observed the wave patterns of the electrical impulses...
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  • Electronic Circuits
    pressure. Instrument comprised of all equipment that can be used to carry out measurement, it can be as simple as valves and transmitters or may be as complex as analyzers. Standard instruments usually comprised of control systems of different processes, but in this work the concept of control will not be...
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  • Heart Circulatory System
    heart and describe their structural differences. The heart wall consists of 3 layers: epicardium, myocardium, and endocardium. (page 722) What are the functions of the fibrous skeleton? (page 725) 5. provides structural support for the heart, especially around the valves and the openings...
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  • microprocessor and ecg
    Vishwavidyalaya Sagar Dr Hari Singh Gour Vishwavidyalaya Sagar  It provide a consistent set of test scenarios, ABSTRACT Embedded systems are very complex and integrate heterogenous components on a single chip. Testing methodologies differ in hardware and software domains. Hardware testing concerns...
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  • Cardiac Self-Quiz
    ) The second heart sound is known as the _______________ and the ( lub OR dub ) What arteries are responsible for supplying blood to the heart? Coronary veins return blood to the right atrium through what? The conduction system is also know as the __________________ circuit. List the 4...
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  • Research Paper on Elctrocardiogram (Ecg)
    distinguishable waves or deflections. The relationship between the deflections waves of an ECG and sequential excitation of the heart is shown below (The Biology corner, 2011) Figure1. The sequence of excitation of the heart related to deflection waves of an ECG tracing. The first wave, the small P wave, lasts...
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