View the following clinical animations:
Heartbeat
Cardiac Conduction System
Electrocardiogram interactive
Blood Pressure
Answer the following questions:
1. Track a drop of blood from its entry into the right atrium until it leaves the left ventricle. Be sure to include all anatomical landmarks, including the major vessels and valves the blood passes through on this journey.
2. Name the elements of the intrinsic conduction system in the correct order. Which one is called the "pacemaker"?
3. Match the following
___ normal sinus rhythm a. absence of ventricular electrical activity
___ ventricular fibrillation b. atrial and ventricular rhythms are regular
___ ventricular asystole c. sinus rate below 60bpm
___ sinus bradycardia d. ventricular rate 100 to 250 bpm
___ ventricular tachycardia e. dysrhythmia marked by rapid disorganized depolarization of ventricles
4. Define systolic and diastolic pressure.
5. What is normal blood pressure?
6. What is considered high blood pressure?
7. What factors influence blood pressure?