Q1. A rapid beat of heart over 100 beats per minute is termed as ______. A beat slower than 60 is termed as ______. Lack of sufficient blood to the heart is termed as ______. Rapid shuddering of the heart muscle is termed as ______.
Q2. An EKG generally shows three key waves, the ______, the ______ and the ______. The biggest is the ______, which outcomes from the ______ contracting. Whenever the atria contract, the ______ wave is produced. If the muscles of the heart re-polarize, the ______ is generated.
Q3. Contraction of the heart muscle is termed as ______. Relaxation is termed as ______. The first heart sound is caused by ______. The second heart sound is caused by ______.
Q4. The pressure of blood is measured in units of ______. The higher pressure, when the heart is contracted, is termed as the ______. It is generally around 120. The lower pressure, when the heart is ______, is termed as the ______ pressure. It is generally around 80. The ______ is the device used to measure the blood pressure. Factors which influence the blood pressure are ______, the ______, ______, ______ and ______. ______ is a systolic pressure beneath 100 or so. ______ is sustained pressure of 140/90 or more.