ACSM CES (clinical exercise specialist) – Flashcards

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question
1 MET is equal to?
answer
3.5 ml.Kg-.min-
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Cardiac output(Q) at rest is appoximatley
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5L/min
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Cardiac output(Q) is the product of?
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Stroke volume(SV)xHeart Rate(Hr)
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Predicted Heart Rate maximum formula is
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220-age
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Stroke volume is found by what equation?
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EDV(End Diastolic Volume)-ESV(End Systolic Volume) diastolic is relaxation phase. systolic is contraction
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Heart Rate Reserve=
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(MHR-RHR)%+RHR max. HR - resting HR x percent target + resting Hr
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VO2 reserve=
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(vo2max-vo2rest)% + vo2rest vo2rest= 3.5 ml.kg-.min-
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1mph= to want in m/min
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26.8
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1 watt=
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6 kg.m.min-
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1 lbs of Fat= how many Kcals
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3500 Kcals
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1L of consumed o2 infers how many kcal ?
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5 Kcals
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1 in to cm and m
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2.54 cm or .0254 m
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1l is how many ml?
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1000ml
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MAP(mean arterial pressure)=
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(SBP-DBP)/3 + DBP where SBP=sysytolic BP and DBP is diastolic
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EF(ejection Fraction)=
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(SV/EDV)x 100 = ef in % of 100 SV= stroke volume EDV= end diastolic volume
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Double Product(Rate Pressure Product)=
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SBPxHR SBP= systolic BP
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formula for Vo2 on leg ergometer is?
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(10.8x W)/m + 7.0 or (1.8xW)/m + 7.0 where W is work rate in Watt or Kg.m.min-1 respectively m is Mass in Kg 7.0 is a constant taking into account vertical and horizontal components of resting metabolism.
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formula for Vo2 on arm ergometer is?
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(18x W)/m + 3.5 or (3.0xW)/m + 3.5 where W is work rate in Watt or Kg.m.min-1 respectively m is Mass in Kg 3.5 is resting vo2
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formula for Vo2 walking on a treadmill is?
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(0.1xS)+(1.8xSxG)+ 3.5 S is speed in m/min G is grade in decimal form so 10% grade is .1
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formula for Vo2 running on a treadmill is?
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(0.2xS)+(0.9xSxG)+ 3.5 S is speed in m/min G is grade in decimal form so 10% grade is .1
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formula for Vo2 on a step ergometer is?
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(0.2xF)+(1.33x1.8xFxH)+3.5 where F is frequency in steps per min H is height in meters
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Formula for finding Work rate on bike or arm ergo?
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RxRPMXD where R is the resistance on the flywheel. RPM is Rotations per Minute and D is the distance the flywheel travels in on revolution.
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o2 carrying capacity of hemoglobin is?
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~1.34 ml of O2 / gram of Hb.
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~ grams of Hemoglobin per 100 ml of blood?
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20 g of Hb/ 100 ml blood
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formula for the Fick equation?
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Vo2= Q x a-vo2 diff where Q is cardiac output and a-vo2 diff is the difference in arterial and venous oxygen concentration.
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absolute indications to terminate exercise testing are?
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-drop in systolic BP > or = to 10mm Hg w/ increase work rate when -s/s present w/ the drop -angina > or = 3/ 4 on the scale -increasing nervous system symptoms -signs of poor perfusion -difficulties monitoring ECG or BP -patient requests to terminate test -sustained VT -ST elevation greater than 1mm in leads w/o diagnostic Q wave (other than v1 or aVR)
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relative indications to terminate exercise testing are?
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-drop in systolic BP > or = to 10mm Hg w/ increase work rate not accompanied by s/s's -ST or QRS changes such as >2mm st depression downsloping or horizontal. -arrhythmia other than VT(multifocal pvc's, triplet pvc's, SVT, high grade Heart blocks or bradycardia. -fatigue, SOB, wheezing, claudication -BBB or IVCD that can not be differentiated from VT ( such as new onset LBBB) -increasing CP -hypertensive response SBP >250 or DBP>115
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absolute contraindications to exercise testing are?
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-recent change in resting EKG suggestive of significant ischemia, recent MI or other acute cardiac event. -unstable angina -uncontrolled cardiac dysrhythmias causing symptoms. -symptomatic severe aortic stenosis -symptomatic Heart Failure -acute myo- or peri- carditis -dissecting aneurysm
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relative contraindications to exercise testing are?
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-left main coronary stenosis -moderate stenotic valvular heart disease -electrolyte abnormalities -severe arterial Htn SBP>200 DBP>110 @ rest -tachy or brady dysrhythmias -hypertrophic cardiomyopathy -neuromotor, musculoskeletal, rheumatiod disorders worsened by exercise. - High degree AV blocks - Ventricular aneurysm -uncontrolled metabolic disease -Chronic infectious disease -mental or physical impairments
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CVD Risk stratification as Low Risk
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<2 RF and asymptomatic
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CVD Risk stratification as moderate Risk
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>=2 RF and asymptomatic
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CVD Risk stratification as High Risk
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Symptomatic or known known cardiovascular, pulmonary, renal or metabolic disease.
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cardiovascular RF are?
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-Age >= 45 in men; 55 in women -Family Hx; MI, CABG, SCD before 55 yoa in men and 65 in women owith 1st degree relative. -Smoking within 6 months or exposure to environmental (2nd hand ex. working in a Bar) - sedentary lifestyle. <30 min of moderate intensity physical activity(40-= 30kg.m^2 or waist girth >102cm in men, >88 cm in women. - hypertension sbp >= 140 dbp >= 90 confirmed on at least 2 occasions or on BP Rx. -Dyslipidemia ldl >= 130, hdl = 200 or on cholesterol Rx. -Prediabetes aka impaired fasting glucose. >= 100 ans = 60 is a negative RF and one positive RF can be subtracted from the total. also of importance is if a RF is not known or available it should be counted except prediabetes. for prediabetes it should be counted if their over the age of 45 or if under 45 with a bmi of >=25.
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Timmy is a 43 Y.o male who smokes, his HDL is 65 , BMI 31 and He exercises moderately for 1 hr a day 3 time a week. everything else is WNL. what is his Risk Stratification for CVD?
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Low. Why, he has 2 positive RF; smoking and Weight but one negative RF HDL >60 2-1=1 1 RF puts him in the low RS
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