How can we help?

You can also find more resources in our Help Center.

97 terms

ekg study guide

STUDY
PLAY
electrical activity of the heart
The EKG records the:
25mm/sec
The normal running speed of the EKG paper
5mm
A normal standardization mark should measure:
That extends below the baseline in the QRS complex following the R wave
The S wave is the first negative deflection
5
There are____ electrodes attached to the patient for Holter Monitoring
V4
Left side, 5th intercostal space midclavicular line
V3
Midpoint between V2 and V4
V1
right side of sternum, 4th intercostal space
V6
left side, 5th intercostal space, midaxillary
0.12-0.20 secs
A normal PR interval should measure
40-60 per min.
The rate of the AV junction is
right leg
which limb sensor is the reference or ground electrode
PR interval of 0.24 seconds
not a normal sinus rhythm
Tension or pulling on electrode lead wire
The following leads to a Wandering Baseline on an EKG
negative
The Q wave is always
Superior and Inferior Cava
Deoxygenated blood enter the right atrium via the
structural heart disease
A murmur is an abnormal sound that may
cardiac output
The term used to describe the amount of blood pumped by the heart per minute is called
90/60 or below
An example of Hypotension is
Capillaries
Which vessel has both oxygenated and deoxygenated blood?
SA Node
The primary pacemaker of the heart
Pericardium
The protective sack that covers
mitral valve
The bicuspid valve is also known as
Automaticity
The ability of the cardiac pacemaker cells to spontaneously generate their own electrical impulses without external stimulation is known as
palpitations
A pounding or racing of the heart, such as the patient is aware of his/her own heartbeat is called
sensors
electrodes are also known as
CHF
physicans do stress tests for
0.04 secs
small squares horizonal on EKG are equal to
voltage/amps
Vertical axis on EKG paper measures what
heat
stylist mark the paper by what
10mm
normal sensitive setting 1mv is which measurement
5mm
Normal standardization mark measures
Standardization button
ensure check of the internal caliperation of the EKG
5
Electrodes on a holter monitor
AVF
Correct lead center of the heart to the positive pole of the left leg.
lead 2
correct lead to right arm to left leg
lead 1
correct lead right arm to left arm
AVR
center of heart to positive pole of the right arm
lead 3
left arm to left leg.
upper extremities
proper placement for holter monitor
relaxation
ventricular repolorization results in
PR intervals shorten
Takes place during respirations
.12-20 secs
Normal PR interval is
.24
Normal sinus rhythm has all except
sinus dysrhythmia
Irregular rythum can be caused by
tachycardia
what sinus rythem has a rate of 100 bmp or more
Right leg
which limb sensor is a ground sensor
Patient name and ID
EKG Strip must include
count small boxes and divide into 1500 (between RR intervals)
One method to calculate heart rate
Patient falls asleep
Will not interfere with an EKG
Tension or pulling on a lead wire
will cause a wondering baseline
60 bpm
between R-R intervals on EKG 5 large squares =
first negative wave after the r
The S wave is chacaterised as?
negative
the Q wave if present is always
The beginning of the p wave to the beginning of the ST segment
The PR interval is measured from?
sometimes there is no P wave
Which statement is true about P waves?
P wave
1st electrical impulse of a normal cardiac cycle
segments
Several waveforms are called?
waveform
Movement away from the baseline
<.12 seconds
QRS complex is
complex
a waveform in a segment are called
intervals
line between waveforms are called
Atrial depolorization
What does the P wave represent?
delay at the AV Node
What does PR segment mean?
ventricular depolorization
QRS complex represents?
a pause between ventricular depoarization and repolorization
ST segment is?
ventricular repolorization
The T wave is?
U wave
What small wave after T wave
Eithenhoven
Who assigned letters to PQRS?
Source, means of transmission, host
Correct order of Chain of Infection
Go get a female tech.
A female complains that she wants a female to do her EKG, what do you do?
exercise electocardiogram
What test requires a informed consent form to be signed?
edema
Tissue swelling
conidentiallity and privacy
HIPPA
Sphygomomanometer
another name for BP cuff?
Vena Cava
Before blood enters Right atrium.
structural heart disease
A murmur indicates what?
Cardiac Output
Term used for pumping blood by the heart
left atrium and left ventrical
Narrowing of the valves
Pulmonary Artery
Blood flows from the heart to the lungs
Capillaries
Which vessels have deoxygenated and oxygenated blood
coronary atery
which artery supplies blood to the heart muscle
myocardium
which layer of the heart is responsible for contraction and relaxation
SA Node
Primary pacemaker of the heart
Heart Attack
another name for myocardial infarction
Systemic
Circulation desending aorta carrying oxigenated blood to the body.
Repolorization
electrical event that is expected to result in contraction.
syncope
fainting
Sac around heart
pericardium
Mitral
Bicuspid valve
Left ventrical
Thickest myocardium chamber
Alveoli
exchange of carbon dioxide and oxygen
Pulmonary semilunar valve
Blood leaves right ventrical.. where does it go?
30-2
CPR
downward and to the left
Apex of the heart points
10 electrodes
12 lead EKG
patient heart rate is normal
one reason not to stop stress test