Heart Conduction System
What is known as the pacemaker of the heart?
What is the sinoatrial (SA) node
EKG machines record the heart's ______________________ activity.
What is electrical?
Name the different letters used to describe an EKG waveform.
What is P QRS T
Name 3 EKG based tests?
What is continuous monitoring, telemetry, holter or ambulatory monitoring, a 12 lead EKG and a stress test monitor.
Limb leads are made up of leads I, II and III, also known as the ____________ leads.
What is bipolar?
The movement of electrical signals through the heart is called ___________________.
What is cardiac conduction?
Pads that conduct electricity that are attached to a patient are called ____________________.
What is electrodes.
The hearts electrical activity during a P wave is known as what?
What is atrial depolarization?
How many leads are typically used for telemetry?
What is 5
Augmented limb leads is the collective name for leads: _________, __________, and __________.
What is aVR, aVL, and aVF?
Depolarization normally causes the heart muscle to ___________________.
What is contract.
EKGs do not provide information about the __________________ activity of the heart.
What is mechanical
What electrical activity is occuring during the QRS complex?
What is ventricular depolarization?
What type of test is used when a patient is not hospitalized and can be taken home?
What is a holter monitor?
Precordial leads are also known as the chest leads and they are composed of leads:
What is V1, V2, V3, V4, V5, V6?
Repolarization normally causes the heart muscle to _______________________.
The EKG machine measures the electrical activity between different sets of electrodes to examine different areas of the heart. These different "views" are called __________.
What is leads.
What is the mechanical activity occurring during atrial depolarization?
What is "contraction of the atria"?
How many electrodes are normally used for a 12 lead EKG?
What is 10 electrodes?
Where is the placement for lead V1?
What is "the fourth intercostal space (between ribs 4 and 5) just to the right o fthe sternum breastbone"
Cardiac conduction follows a specific pathway. What is the order of the pathway?
What is SA node, AV node, AV bundle (bundle of his), Right and Left Bundle Branches, Purkinje Fibers
Electrodes are connected to the EKG machine through __________ wires, which send the hearts electrical signals to the machines.
what is lead wires
What is the mechanical activity occurring during the QRS complex?
What is "contraction of the ventricles."
What EKG based test is used as a diagnostic tool to evaluate a heart rate, rhythm and look for signs of acute or chronic heart disease?
What is a 12 lead EKG?
What is the placement for v4?
What is the "5th intercostal space (between ribs 5 and 6) in the left midclavicular line"