Signs and symptoms of shock include shortness of breath, chest pain, hypotensionBlood pressure below acceptable levels – commonly below 90 mm of Hg systolic. 1. Six Second ECG Guidebook (2012), T Barill, p. 197, and an altered level of consciousness (due to hemodynamic compromise).
As a general rule, a patient with a heart rateThe number of QRS complexes per minute; note that HR may not equal perfused pulse rate. See also: - Step 1 Heart Rate - Rate - Rule of 300s (Triplicate Method) - Six Second Count - The Caliper Method 1.... that is too fast (>150/minute – not enough filling timeDuring diastole, the blood is drawn into the ventricle. This takes time, referred to as “filling time”. Without an adequate filling time, the ventricle receives less blood. With less blood volume, stroke volume and cardiac output falls. Figure 2.2 Cardiac...) or too slow (< 50/minute – not enough rateHeart Rate; calculated by counting the number of QRS complexes in six seconds and multiplying by 10; rate is also determined by measuring the number of large squares between two R waves; i.e. –1 large square = heart rate of 300/minute.) requires urgent assessment for signs and symptoms of shock. Both extreme rates can be associated with inadequate cardiac outputWhat is it? Why is it Vital? The amount of blood pumped out of the ventricle in a minute (most often refers to the blood pumped by the left ventricle) What is cardiac output? Simply, cardiac output is the amount....
1. Six Second ECG GuidebookA Practice Guide to Basic and 12 Lead ECG Interpretation, written by Tracy Barill, 2012 Introduction The ability to correctly interpret an electrocardiogram (ECG), be it a simple six second strip or a 12 lead ECG, is a vital skill... (2012), T Barill, p. 31