Electrocardiogram Lab Concepts

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Presentation transcript:

Electrocardiogram Lab Concepts Blood pressure measurement

Cardiac Muscle Heart Contractions= Systole Heart Muscle Relaxations= Diastole

Examples of lead I and lead II

What are the heart sounds as heard with stethoscope? auscultation Associated with AV valves: “Lub” Associated with Semilunar valves: “dupp”

But there are also “Abnormal Heart Sounds For example Heart Murmurs

Heart Sounds depts.washington.edu/physdx/heart/demo.html http://www.med.ucla.edu/wilkes/Rubintro.htm

BLOOD PRESSURE MEASUREMENT Sphygnomanometry Place stethoscope with earpiece pointing forward

1 2 3

Normal Blood Pressure Approx. 120/80

The End