VO2 Concept Map - HEALTHY by https://padlet.com/o_w_tomlinson/cjft68i568eqmz37 en-us 2023-02-13 12:25:51 UTC 2023-02-13 13:46:55 UTC hello@padlet.com VO2max o_w_tomlinson https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478833576 2023-02-13 12:28:44 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478833576 Q https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478835455 Liters of blood pumped per minute 
Stroke volume x heart rate ]]> 2023-02-13 12:30:45 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478835455 a-VO2 Diff https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478835755 2023-02-13 12:30:58 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478835755 HR https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478836930 measured in bpm
Speed which the heart beats ]]> 2023-02-13 12:32:11 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478836930 SV https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478837544 Volume of blood ejected during ventricular contraction
Usually measured in mL]]> 2023-02-13 12:32:45 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478837544 Contractility https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478838061 Forcefulness of heart contraction
Increasing contractility reduces end-systolic volume - increases SV and subsequently cardiac output]]> 2023-02-13 12:33:19 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478838061 Heart size https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478838619 smaller heart size reduces cardiac output]]> 2023-02-13 12:33:52 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478838619 Arterial oxygenation nps2061 https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478839279 2023-02-13 12:34:30 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478839279 Age/gender https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478839344 Q is lower in women due to decreased ventricular size
Q at rest is unaffected by age
Q during exercise reduces with age ]]> 2023-02-13 12:34:33 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478839344 Venous Oxygenation nps2061 https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478839511 2023-02-13 12:34:43 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478839511 Fitness https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478839755 Q increases with fitness levels]]> 2023-02-13 12:35:00 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478839755 Hormones https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478840282 pregnancy
catecholamines
endothelins
glucocorticosteroids
thyroid hormone
leptin]]> 2023-02-13 12:35:36 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478840282 Diffusion defects nps2061 https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478840709 Reduced chloride ion efflux 
Sodium and water influx ]]> 2023-02-13 12:36:02 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478840709 Arterial stiffness https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478841016 Can affect arterial pressure and dynamics - impact cardiac performance ]]> 2023-02-13 12:36:10 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478841016 Alveolar ventilation-perfusion imbalance nps2061 https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478841297 2023-02-13 12:36:25 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478841297 Increased intrapulmonary shunt nps2061 https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478841868 passage of deoxygenated blood from the right side of the heart to the left without participation in gas exchange in the pulmonary capillaries]]> 2023-02-13 12:36:57 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478841868 Calcium insufficiency https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478843581 Calcium increases heart rate which in turn affects cardiac output]]> 2023-02-13 12:38:38 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478843581 Regional flow nps2061 https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478843621 The flow of blood through or around an organ or region of the body]]> 2023-02-13 12:38:40 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478843621 Capillary density nps2061 https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478843624 Number of capillaries per unit cross-sectional area of muscle

]]> 2023-02-13 12:38:40 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478843624 Genetics https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478843926 Gene variations can alter metabolic rate - oxygen use
Arrhythmias, changes to heart muscle   ]]> 2023-02-13 12:38:57 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478843926 Autonomic system (catecholamines) https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478846046 Noradrenaline 
Adrenaline ]]> 2023-02-13 12:40:35 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478846046 vessel radius https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478846668 alters rate of blood flow]]> 2023-02-13 12:41:04 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478846668 Medication https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478847273 Beta blockers 
NSAIDs
Calcium channel blockers
Dopamine
Dobutamine]]> 2023-02-13 12:41:37 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478847273 BMI/weight https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478848017 Increased BMI can increase chance of heart failure 
Output is higher in obesity]]> 2023-02-13 12:42:20 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478848017 Venous return https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478849087 Amount of blood returned to the heart from various parts of the body
Directly proportional to cardiac output]]> 2023-02-13 12:43:18 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478849087 Regulated by smooth muscle contraction, hormones, oxygen, pH changes nps2061 https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478849103 2023-02-13 12:43:19 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478849103 Alveoli fill with fluid https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478851310 2023-02-13 12:45:20 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478851310 https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478851715 It is a condition in which one or more areas of the lung receive oxygen but no blood flow, or they receive blood flow but no oxygen.]]> 2023-02-13 12:45:42 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478851715 Medical conditions https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478851876 Arrhythmias, coronary disease, etc. ]]> 2023-02-13 12:45:50 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478851876 Reduction of normal oxygen movement across the lung https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478852779 2023-02-13 12:46:35 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478852779 Cause pulmonary oedema https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478853712 2023-02-13 12:47:30 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478853712 what affects diffusion rate? https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478856843 2023-02-13 12:50:01 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478856843 Temperature https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478857387 2023-02-13 12:50:27 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478857387 The surface area of the membrane https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478857762 2023-02-13 12:50:49 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478857762 Distance https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478857965 2023-02-13 12:51:00 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478857965 Difference in concentration https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478858770 2023-02-13 12:51:45 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478858770 Potential causes nps2061 https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478858787 COPD, Asthma, emphysema, sarcoidosis, pulmonary hypertension]]> 2023-02-13 12:51:46 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478858787 Increased pressure https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478860722 2023-02-13 12:53:29 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478860722 Higher temp --> increase Ke --> move quicker and cross membrane quicker https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478860972 2023-02-13 12:53:40 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478860972 Reduced VO2max https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478861940 2023-02-13 12:54:26 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478861940 The bigger a cell or structure is, the smaller its surface area to volume ratio is, slowing down the rate at which substances can move across its surface https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478862561 2023-02-13 12:54:57 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478862561 The smaller the distance molecules have to travel the faster transport will occur https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478862866 2023-02-13 12:55:14 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478862866 Can change in response to oxygen demand nps2061 https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478862934 2023-02-13 12:55:18 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478862934 The greater the difference in concentration on either side of the membrane, the faster movement across it will occur https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478863249 2023-02-13 12:55:34 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478863249 frequency of breath https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478865354 2023-02-13 12:57:05 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478865354 tidal volume https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478865804 2023-02-13 12:57:23 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478865804 amount of dead space https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478866065 2023-02-13 12:57:35 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478866065 ventilation of lung region https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478868175 2023-02-13 12:59:23 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478868175 no gas exchange (no blood to facilitate gas exchange) https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478868832 2023-02-13 12:59:57 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478868832 alveolar gas same composition as humidified air https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478870145 2023-02-13 13:01:04 UTC https://padlet.com/o_w_tomlinson/cjft68i568eqmz37/wish/2478870145