[DOC] [TLE] About Arrhythmia - American Heart Association [PAR] Oct 26, 2016 ... When the heart doesn't beat properly, it can't pump blood effectively ... Pulmonary 
or pulmonic valve, between the right ventricle and the ... Blood flow occurs only 
when there's a difference in pressure across the valves, which causes them to 
open ... In an adult, a normal heart beats 60 to 100 times a minute. [DOC] [TLE] Chapter 19 Flashcards | Quizlet [PAR] You must enter a birthday. ...... SA node damage; AV node has taken over 
pacemaker role ... aorta, the opening and closing of the heart valves are 
governed by these pressure .... The blood remaining behind, about 60 mL after 
ventricular ejection ... closed semilunar valves and the ventricles expand, this 
phase gets its name... [DOC] [TLE] How the Heart Works - National Library of Medicine - PubMed Health [PAR] Jun 11, 2014 ... Inlet and outlet valves in your heart chambers ensure that blood flows in the right 
direction. ... Its muscular walls beat, or contract, pumping blood to all parts of your 
body. ... Oxygen-rich blood from your lungs passes through the pulmonary .... The 
usual resting pulse for an adult is 60 to 100 beats per minute. [DOC] [TLE] 301notes5 [PAR] Blood returning from the lungs enters the left atrium (via pulmonary veins), then 
the left ventricle. ... SA node - 60 - 100 per minute (usually 70 - 80 per minute) ... 
cardiac muscle cannot be restimulated until contraction is almost over & this 
makes ... AV valves - open when pressure in the atria is greater than pressure in 
the... [DOC] [TLE] html - Open Yale Courses - Yale University [PAR] Feb 28, 2008 ... It's also not like a real heart because you can open it up and take a look inside. ... 
There's a valve in going from the right ventricle into the pulmonary artery and ... 
Ideal gas: PV = nRT; an ideal gas pressure times the volume = nRT. ... You can't 
describe it by this equation anymore because this only applies... [DOC] [TLE] About Your Heart | Cardiac Surgery | Dartmouth-Hitchcock [PAR] Its size varies depending on your age, weight, and height and on your heart's 
health; ... heart when to beat and keeps blood flowing through your arteries and 
veins. ... an average adult's heart beats about 72 times a minuteor roughly 
100,000 .... and the resulting pressure causes your aortic and pulmonary valves 
to open,... [DOC] [TLE] Physiology: Cardiovascular [PAR] Pulmonary Valve Stenosis: If we assume that it leads to Right Ventricular ... 
SINUS BRADYCARDIA: A heart rate slower than 60 SA-Nodal depolarizations 
per minute. ... depolarization traveling in multiple directions all over the 
ventricular muscle. .... SYSTOLIC PRESSURE is underestimated by auscultation 
-- you can't hear... [DOC] [TLE] Is there ever a time when all four valves of ... | Khan Academy [PAR] During this stage, pressure is increasing in the ventricle (both valves closed) and 
... of the aorta; this pressure gradient triggers opening of the aortic valve. ... 
flowing forward during its journey through the heart there are valves between ..... 
Although historically, a "normal" heart rate was thought to be 60-100 beats per 
minute,... [DOC] [TLE] Diagnosing Heart Disease: Symptoms & Tests - Symptoms ... [PAR] Angina that lasts just a few minutes and goes away quickly when you rest or take 
... Other valves in your heart  the aortic, tricuspid, and pulmonary valves  can 
also ... An ABI over 1.30 is usually a sign of stiff, calcium-encrusted arteries. .... or 
can't do a conventional exercise test because arthritis, stroke, lung disease,... [DOC] [TLE] Mitral Regurgitation Explained  MyHeart.net [PAR] May 25, 2015 ... It's also known as mitral valve regurgitation, mitral insufficiency or just ... 0.5% 
and in those over 75 years of age it likely approaches 10%. .... blood still has to 
go forward into the bottom heart with the next beat. .... Pulmonary Hypertension ... 
Unlike other conditions we can't just rely on the pumping function of

Question: You can't beat its pulmonary valve, opening & closing over 60 times a minute
Answer: Heart