Basic Electrophysiology
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Specialized cells of the hearts electricial system also referred to as conducting or automatic cells | show 🗑
|
||||
| show | Automaticity
🗑
|
||||
| Also called irritability referes to the ability of cardiac muscle cells to respond to an outside stimulus | show 🗑
|
||||
| Refers to the ability of a cardiac cell to receive an elecrtrical impulse and and conduct ut to an adjoining cardiac cell | show 🗑
|
||||
| The ability of myocardial cells to shorten in response to an impulse which results in contraction | show 🗑
|
||||
| The flow of electrical charge from one point to another | show 🗑
|
||||
| show | Voltage
🗑
|
||||
| show | Electrolytes
🗑
|
||||
| show | Action potential
🗑
|
||||
| When the inside of a cell is more negative then the outside | show 🗑
|
||||
| show | Membrane potential
🗑
|
||||
| The ability of a membrane channel to allow passage of electtolytes once it is open | show 🗑
|
||||
| show | Depolarization
🗑
|
||||
| show | Repolarazition
🗑
|
||||
| Phases 1,2,3 are referred to as | show 🗑
|
||||
| Phase 4 is referred to as | show 🗑
|
||||
| show | Phase 0
🗑
|
||||
| During this phase the NA+ channels partially close, slowing the flow of NA+ into the cell. At the same time CL- enters and K+ leaves. Resulting in a decrease in the # of positive electrical charges within the cell | show 🗑
|
||||
| show | Phase 2
🗑
|
||||
| show | Phase 3
🗑
|
||||
| show | Phase 4
🗑
|
||||
| The cell will not respond to further stimulation | show 🗑
|
||||
| Some cardiac cell have repolarized to their threshold potential and can be stimulated to respond to a stronger than normal stimulus. This corosponds with the T wave | show 🗑
|
||||
| show | Supernomral period
🗑
|
||||
| show | Conduction system
🗑
|
||||
| show | Accessory pathway
🗑
|
||||
| show | II, III, aVF
🗑
|
||||
| show | V1 and V2
🗑
|
||||
| The leads that view the anterior surface of the heart | show 🗑
|
||||
| show | I, aVL, V5, and V6
🗑
|
||||
| show | PR interval
🗑
|
||||
| Normal rate for PR interval | show 🗑
|
||||
| total ventricular activity- the time from ventricular depolarazition to repolarazition | show 🗑
|
||||
| Duration of the QT interval | show 🗑
|
||||
| show | PR segment
🗑
|
||||
| It represents the early part of repolarazition of the right and left ventricels | show 🗑
|
||||
| Duration of the ST segment | show 🗑
|
||||
| show | P wave
🗑
|
||||
| Duration of a P wave | show 🗑
|
||||
| Represents the spread of the electricial impulse through the ventricles (ventricular depolarazition) | show 🗑
|
||||
| show | .10 secs or less
🗑
|
||||
| show | T wave
🗑
|
||||
| The primary pacemaker | show 🗑
|
||||
| The PR interval is considered prolonged if it is more then | show 🗑
|
||||
| show | Right and left bundle branches
🗑
|
||||
| On the ECG the time necessary fot the spread of an electrical impulse through the AV nodes, bundle of His, right and left bundle branches and the purkinje fibers is represented by the | show 🗑
|
||||
| The portion of the ECG tracing used to determine the degree of ST segment displacement | show 🗑
|
||||
| show | AV Node
🗑
|
||||
| Five large boxes each consisting 5 small boxes represents ? on ECG paper | show 🗑
|
||||
| show | Right ventricle and posterios surface of the left ventricle
🗑
|
||||
| show | Acute injury pattern
🗑
|
||||
| A line between waveforms is called | show 🗑
|
||||
| The spread of an impulse through tissue already stimulated by that same impulse | show 🗑
|
||||
| The cells of the heart that contain contractile filaments are called | show 🗑
|
||||
| show | Artifact
🗑
|
||||
| A waveform and a segment | show 🗑
|
||||
| show | Vulnerable
🗑
|
||||
| show | Voltmeter
🗑
|
||||
| This condition causes ST segment elevation in all or virtually all leads | show 🗑
|
||||
| An important electrolye that affects cardiac function | show 🗑
|
||||
| The difference in electrical charges across the cell membrane | show 🗑
|
||||
| The amplitude of a waveform is measured in | show 🗑
|
||||
| show | Excitability
🗑
|
||||
| The a in aVR, aVL and aVF | show 🗑
|
||||
| show | Negative
🗑
|
||||
| show | Epinephrine
🗑
|
||||
| A ? pacemaker is a pacemaker site other than the SA node | show 🗑
|
||||
| show | Complex
🗑
|
||||
| The spread of an impulse through tissue already stimulated | show 🗑
|
||||
| show | Polarized
🗑
|
||||
| show | Chemical
🗑
|
||||
| show | Sodium
🗑
|
||||
| Each electrode placed in the V position is a | show 🗑
|
||||
| show | 60-100
🗑
|
||||
| show | 40-60
🗑
|
||||
| rate of the ventricles | show 🗑
|
||||
| show | 1.Automaticity 2.Excitability 3. Conductivity 4.Contractility
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
nju9552
Popular Paramedic/EMT sets