Factors for a valid VO2 Max? - ANSWER RER > 1.1
Lactate >8mmol/L
RPE>18
Plateu in VO2
HR @ age predicted max
Drug has half life of 4 hours. IF given 1000mg, what concentration is left after 12 hours. - ANSWER 125m
...
Factors for a valid VO2 Max? - ANSWER RER > 1.1
Lactate >8mmol/L
RPE>18
Plateu in VO2
HR @ age predicted max
Drug has half life of 4 hours. IF given 1000mg, what concentration is left after 12 hours. - ANSWER 125mg
Can HR max be changed with training? - ANSWER NO
How many factors must we see for Valid Vo2 max test? - ANSWER 3
RER vs RQ - ANSWER RER: co2 expired/ o2 consumed at mouth
RQ: Co2 produced by cell metabolism/ o2 used by tissues
What variable caueses VO2 max to increase with training? - ANSWER Stroke volume because heart gets bigger (NOT MAX HR)
Lactates main job is to _______________ and does not cause - ANSWER buffer Ph, muscle fatigue
Client DOES NOT regularly exercise, when do they need clearance? - ANSWER - Have a chronic disease
- Have a chronic disease and S/S
Client DOES regularly exercise, when do they need clearance? - ANSWER Only if they have S/S
Acute EXSC affect on leukocytes? - ANSWER INC concentration
Gold std for diagnosing cardiac issues - ANSWER Cardiac catheterization
ST segment elevation vs depression - ANSWER Elevation: Myocardial infarction
Depression: ischemia
2 cases when you should not do a regular exsc stress test: - ANSWER - Client uses Beta Agonist
- Client uses dipyridamole (a vasodilator)
What BP level contraindicated during exsc test - ANSWER 250/115
Patient w/ CAD will exhibit what symptom relating to HR and BP after EXSC? - ANSWER VERY slow to return to resting levels
Primary cause of type 2! diabetes? - ANSWER Inflammation
S/S of diabetes mellitus: - ANSWER Polydipsia (thirst)
Polyuria (urination)
Polyphagia (hunger)
Which diabetic medications is contraindicated for exercise? - ANSWER Insulin (if exercising at peak insulin effect)
When programming EXSC for clinical population, what variables should be progressed first? - ANSWER Frequency, then duration, then intensity
*When adjusting intensity, duration should be dropped back to baseline
Primary cause of obesity - ANSWER Hypercaloric Diet
Obesity BMI classifications - ANSWER >30 = OBESE
30-34=mild
34-39=moderate
>40=morbid
waist circumference - ANSWER > 40 Males
>35 Females
INCREASED RISK
What type of adiposity is most inflammatory? - ANSWER Central (visceral) adiposity
Most effective method for losing weight? - ANSWER Surgical intervention
NIH's weight loss goal for obese individuals (what is clinically significant) - ANSWER 5-10%
What is exercises effect on weight loss? - ANSWER LITTLE TO NONE!
BMI qualifications for pharmacotherapy/surgery - ANSWER Pharma:
BMI >27 w/comorbidities
BMI >30
Surgery:
BMI>35-39 w/comorbidities
BMI>40
Average weight loss with bariatric surgery? - ANSWER 25%
BP classifications - ANSWER Normal: 120/80
Elevated: 120-129/80
St 1 Hypertension: 130-139/80-89
St 2 Hypertension:
>140/>90
Which physiological variable has greatest impact on BP? - ANSWER Blood vessel radius
Atherosclerosis vs. Arteriosclerosis - ANSWER Athero: Thickening (Via damage to media of BV being patched by LDL cholesterol)
Arterio: Stiffening (vascular remodeling due to high BP, inflammation and hyperglycemia)
What does a higher DBP mean? - ANSWER Pt has a better elastic recoil
What is the best predictor of future cardiovascular events? - ANSWER Arterial stiffness score (PP/Pulse wave velocity)
BP changes during EXSC - ANSWER Aerobic: SBP inc, DBP dec
Resistance: SBP inc, DBP inc
ACE inhibitors - ANSWER stop conversion of angiotensin 1 to angiotensin 2 --- VASODILATE
ARB's - ANSWER Block angiotensin 2 from binding to its receptor on artery -- VASODILATE
which hypertension medication effects exercise? - ANSWER B-Blockers
EXSC affect on blood lipid profile - ANSWER Decrease TG, Increase HDL
Statin effect on lipids - ANSWER Decrease LDL, TG
Increase HDL
what drug decreases TG - ANSWER Fibrates
You need 2/3 of these criteria to diagnose heart attack - ANSWER Chest pain >30 mins
EKG shows ST Segment elevation / T wave inversion
Presence of biomarkers in blood
Fibrinolytics - ANSWER Streptokinase, Tenecteplase (TNKase)
Clot buster used in emergencies
Aspirin - ANSWER Inhibits thromboxane A2 (inhibiting clot formation)
Recovery time after heart attack before EXSC - ANSWER 1-2 days
What intensity should you exercise ACS/Heart attack patients - ANSWER 10 BPM below their ischemic threshold (elicits chest pain)
Types of congestive heart failure: - ANSWER Right side: due to increased pulmonary pressure
Left side: due to peripheral resistance
- Systolic:
<30% EF
<30 SV
Right side:
<60 EF
<30 SV
Ejection fraction equation - ANSWER EF=(EDV−ESV)/EDV
Edema is more prevalent in _________ sided heart failure - ANSWER Right sided (because there is a back up in venous return)
gold std for diagnosis congestive heart failure - ANSWER Echocardiogram
Which common medication is a negative chronotropic and how does it effect exercise - ANSWER B blocker
When pt on B-blocker, must lower expectation of HR for a given intensity (lower hr for given intensity)
What is PAD? - ANSWER Blockage of leg arteries by plaque
Which population are at highest risk of PAD? - ANSWER Diabetics
Diagnosis of PAD? - ANSWER Ankle Brachial index
Ankle/brachial USUALLY = 1
Ankle/brachial of <.9 diagnostic of PAD
What should you stress while EXSC someone with PAD? - ANSWER Push through leg pain!!
Risk Stratification NOT a regular EXSCer - ANSWER Disease or S/S: CLEARANCE
NO Disease or S/S: NO CLEARANCE
Risk stratification REGULAR EXSCer - ANSWER NO disease or S/S: NO CLEARANCE
Disease Asymptomatic: NO CLEARANCE
Disease or S/S: CLEARANCE
Cardiovascular disease Risk Factors - ANSWER NEGATIVE:
Age: Men >45 Women >55
Family History: Myocardial infarct, coronary revascularization, sudden death before 55 father or 65 mother
Cigarette Smoking: Current, quit within 6mo, secondhand smoke
Sedentary lifestyle: doesnt exercise 30 minutes moderate intensity 3 days per week for 3 mo
Obesity: BMI >30 / Waist Circ 40 male 35 female
Hypertension: SBP >130 and or DBP >90 / antihypertensive meds
Dyslipidemia: LDL >130 / HDL<40 / Lipid lowering meds
Diabetes: Fasting BG >126 / OGTT >200
POSITIVE:
HDL>60
Lipid Classifications - ANSWER LDL: >130 high
HDL: <40 low
TC: >200 high
TG: >200 high
General Indications for Stopping an Exercise Test - ANSWER - Angina
- Drop in SBP >10 with increase in workload
- Systolic >250/110
- SOB, wheezing, leg cramps, claudication
- Poor perfusion: Light headed, confused, naseua, cyanosis
- HR fails to increase with increased intensity
- Change in heart rhythm
- Subject requests to stop
- Failure of equipment
- Visually severely fatigued
Absolute contraindications to exercise testing - ANSWER - Acute myocardial infarction within 2 days
- Unstable Angina
- Uncontrolled arrhythmia
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