Heart Identify the Basic Anatomy Essay

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(Ibid).

Identify all components of a normal ECG rhythm- a typical, or normal ECG tracing of the heartbeat consists of a P. wave, a QRS complex, a T. wave and a U. wave (visible in 50-75% of cases).

Identify basic ECG rhythms -- ECG rhythms are printed on graph paper, the smaller squares represent .04 second; 1 second 25 small squares, etc. The basic rhythms are:

(Source: ECG Tutorial, 2006).

Identify basic dysrhythmias and relevant implications and nursing interventions -- There are a number of dysrhythmias that impact the nursing field: Sinus Bradycardia -- Heart rate less than 60 beats per minute, rhythm regular, duration normal, but slower respiration, may indicate beta blockers, brain injury, hypoglycemia, or substance use; Sinus Tachycardia -- excessive heart rate above 100 beats per minute, beats are normal but at a faster rate, may indicate fright, stress, or illness; Supraventricular Tacycardia (SVT) shows narrowing of BPM, thus increased activity is being caused by other organs, not the heart; Atrial Fibrillation, rhythm irregular, rate 100-160 BPM, P wave indistinguishable and firing randomly, PR level is not measurable; and numerous others.

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For the nurse interpreter, the warning signs are: distance between peaks (amplitude), odd QRS shapes, inability to note P. Or T. waves, or irregularity in rhythm over time (ECG Rhythms, 2006).

REFERENCES

AHA Diagnostic ECG Electrode Placement. (n.d.) Welchallyn.com. Cited in:

http://www.welchallyn.com/documents/Cardiopulmonary/Electrocardiographs/PC-Based%20Exercise%20Stress%20ECG/poster_110807_pcexerecg.pdf

ECG Tutorial. (2006). Mauvila.com. Cited in: http://www.mauvila.com/index.htm

ECG Rhythms. (2006). Ambulance Technician Study. Cited in:

http://www.ambulancetechnicianstudy.co.uk/rhythms.html

Your Heart's Electrical System. (2009). National Heart, Lunch and Blood Institute. Cited in:

http://www.nhlbi.nih.gov/health/dci/Diseases/hhw/hhw_electrical.html

MacDonald, M. (2009). Your Body: The Missing Manual. Sebastopol, CA: Pogue Press.

Amplitude -- or height; Isoelectric is O; above isoelectric is positive, below is negative

QRS complex= the ventricles depolarizing; normal rhythm has three; R. is first above, Q below, S, after

Isoelectric line- baseline of the measurement

T wave -- everything that polarizes must depolarize

P Wave, when atria trigger; gives clues to where this electrical activity in the heart began.....

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