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83 Cards in this Set
- Front
- Back
QRS complex represents
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ventricular depolarization
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All are associated with metabolic syndrome except:
a. Abdominal obesity b. Proinflammatory state c. High triglycerides d. Smoking |
Smoking
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A six month aerobic exercise program ------- absolute submaximal exercise Rate Pressure Product
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Decreases
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initial increases in HR from rest to the beginning of exercise (less than 100 bpm) occur by
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the decrease in parasympathetic activation
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When recovering from exercise greater than 100 bpm, -------- facilitates the decrease in HR.
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a decrease in sympathetic activation
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An increase in afterload does not facilitate an ------ in stroke volume during exercise.
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increase
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What is the physiological factor that is the major difference between fitness levels in athletes and untrained individuals?
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Maximal Stroke Volume
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Homocysteine, Lipoprotein a, Small LDL particles, and inflammatory markers are -----
while obesity is not. |
Emerging Risk Factors
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Increased weight gain, increased sodium intake, inactivity, and diabetes all can increase the risk of
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Hypertension
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Nitric Oxide facilitates ---- and is inhibited when damage occurs to the arterial walls
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vasodilation
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After six months of aerobic training, Cardiac Output would ----- if you tested the individual at the same relative intensity that you tested before they were trained.
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increase
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After six months of training, parasympathetic stimulation would ------ if you tested the individual at the same relative intensity that you did before they were trained.
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stay the same
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After six months of aerobic training, cardiac output would ------- if you tested the individual at the same absolute intensity that you did before they were trained.
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stay the same
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Which type of diabetes is the most common form of diabetes
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Type II - Adult onset - Non Insulin dependent - NIDDM - insufficiency or insensitivety of insulin
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Cardiac output is determined by
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stroke volume and HR
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The highest BP that is reached during the contraction phase of the heart cycle is
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SBP
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From rest to exercise, mean arterial pressure should
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increase
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From rest to exercise, diastolic blood pressure should
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decrease or remain relatively the same
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HDL’s greater than ----- is a negative risk factor for coronary heart disease
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60 mg/dl
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LDL concentration less than ----- is most desirable
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100 mg/dl
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Exercise training can improve the relative risk of coronary heart disease by (3 things)
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decreasing blood pressure, decreasing body fat, increasing glucose tolerance.
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The ---- is used as a minimal standard for individuals to enter into low to moderate intensity exercise programs
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PAR-Q
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All except what should be included on a medical history exam?
a)Medications b)exercise history c)recent surgical procedures d)occupational history e)exercise history f)health status of children |
f)health status of children
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The initial depolarization of the heart occurs at the
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sinoatrial node
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Which is not a modifiable risk factor?
a)Family history of CVD b)obesity c)impaired fasting glucose d)hypertesnsion |
a)Family history of CVD
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What is the primary reason for the increase in blood pressure during exercise?
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Increased CO
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Diastolic BP during exercise is affected most by
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TPR
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In lead AVR, the P wave should have a ----- deflection
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Negative
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In lead II, the P wave should have a ---------- deflection
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Positive
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Mean arterial pressure equals (3 Answers)
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total peripheral resistance x cardiac output
and (.5(SBP-DBP)+DBP) (.33(SBP-DBP)+DBP) |
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Normal fasting blood glucose should be between
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60-99 mg/dl.
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Stroke volume is lowest in the ------ position
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standing
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Heart rate is lowest in the ----- position
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supine
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Enlargement is caused by
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Volume overload
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Hypertrophy is caused by
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Pressure overload
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If the amplitude of the p wave is increased in lead II and VI, this is diagnostic of
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Right atrial enlargement
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After six months of aerobic training, sympathetic system stimulation would ------ if you tested the individual in the same absolute intensity that you tested before they were trained.
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decrease
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When moving from V1-V6 the R wave becomes ---- and the S wave becomes -----
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Larger, smaller
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10 electrodes are placed on the torso to get an exercising --- lead EKG
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12
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Bipolar leads
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Leads I II & III
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Unipolar leads
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AVR AVF AVL & V1- V6
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Leads I II & III
and AVR AVF AVL are called |
Limb/ Extremety Leads
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V1-V6 are called
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Precordial or chest leads
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Lead I =
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LA - RA
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Lead II =
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LL - RA
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Lead III =
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LL - LA
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In right axis deviation, the electrical axis of the QRS complex lies between
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+90-180 degrees
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What is recommended if a 44 yr old woman with symptoms of heart disease wanted to start a moderate exercise program.
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A clinical exercise stress test would be recommended
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when a submax test is given to an individual who has an increased risk and has symptoms of heart disease what do we need to do?
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Have a physician present
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1 MET =
(Basal metabolic rate/Metabolic equivalents) |
3.5 ml/Kg/min
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Moderate exercise is ----- METs
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3-4 which is approx. 3-4 mph
(Less than 60% of vo2 max) |
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Positive Risk Factors (7)
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*Hypercholessterolemia ( > or equal to 200 mg/dl total or > oet 130 for LDL or HDL < 40
(Low HDL's is not Hyperchol.) *Smoking or those who quit within 6 months *Hypertension (> oet 140/90) *Obesity ( > oet 30kg/m2) *Physical Inactivity *Impaired fasting Glucose (> oet 100 mg/dl ) *Family Hx (CVD b-4 55 for first degree male relative and b-4 65 for female. |
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Most desirable LDL concentration
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less than 100 mg/dL
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AVR + AVF + AVL In your EKG should equal
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0
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Lead I + Lead III =
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Lead II
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Left axis Deviation lies between what degrees?
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-90 and 0
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BP is taken over what artery?
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Brachial Artery
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All the following increase after endurance training except
a)Max HR b)Max SV c)Max Vo2 d)Max avo2 diff |
a)Max HR
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Adaptations of endurance training ----- your parasympathetic activity
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increases
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RPP is and indirect measurement of
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Myocardial oxygen consumption
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PNS stimulates the SA Node through the
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Vagus nerve
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Kindney tests
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Createine and BUN (Blood urea nitrogen)
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Liver tests
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Bilirubin, SGOT, and SGPT
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Chatecholamines can inervate the AV node and ----- the HR
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increase
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6 months of aerobic training does what to your vo2?
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Has no effect
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DBP is an indirect measurement of
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TPR
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MAP= CO * TPR is the direct or indirect way?
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Direct
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Pulse Pressure (PP)=
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SBP - DBP
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Rate Pressure Product (RPP)=
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(SBP *HR) / 100
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MAP indirect equation when HR < 100 =
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[ 1/3 (SBP -DBP) + DBP ]
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MAP indirect equation when HR > oet 100 =
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[ 1/2 (SBP -DBP) + DBP ]
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SBP gives and idirect measurement of
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Cardiac Output
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Calculate BMI
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Take lbs/2.2 (Kg)
Take height in inches and * by 2.54 then / by 100 then square it (m^2) Take both those #'s and do KG/m^2 Only round at the very end |
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BMI Criteria:
Normal Overwgt. Obese Class 1 Obese Class 2 Extremely Obese |
Normal 18.5 - 24.9
Overwgt. 25 - 29.9 Obese Class 1 30 - 34.9 Obese Class 2 35 - 39.9 Extremely Obese > oet 40 |
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Low Risk is...
Moderate Risk is... High Risk is ... |
* Youger asymptomatic no more than 1 RF
*Older individuals (men greater than oet 45 or women greater than oet 55) who have 2 or more RFs *Individuals with one ore more signs/symptoms of CVD metabolic disease or pulmonary disease |
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What are the three methods used to calculate HR using an EKG
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Small box method
Large box method 6 second method |
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Equation for small box method
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1500 / # of small boxes between two R waves
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Equation for Large box method
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300 / # of large boxes between two R waves
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How to use 6 second method
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*Use two hash marks (each hash mark is 3 seconds)
*Get as many R waves in as you can by sliding graph over then count them(always starting at zero) *Multiply that number by 10 *Answer is in BPM |
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When looking for transition zone on the EKG what do you look for if there is no biphasic wave?
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The lead with the R wave that has the highest amplitude wether it is a neg or pos deflection
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When getting mean axis deviation degrees look for the biphasic wave in which leads?
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Limb leads
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Normal P wave is how many boxes in the duration axis and how many seconds?
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3 small boxes .12 Sec
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The amplitude of the P wave should not exceed?
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2.5 mm
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