Doctor insights on:
Pressure Balancing Valve
A valve is a structure that regulates the direction of flow. The heart is a special kind of pump. It moves blood by squeezing and relaxing. There are 4 chambers and each chamber has a valve. This keeps blood from moving backwards when the heart squeezes. When a chamber squeezes it lets the blood move forward but when the chamber is relaxed it prevents the blood from ...Read more
No: They're independent but often tend to go together. Younger people tend to have higher diastolic pressures. Older people tend to have higher systolic pressures. But those are just generalizations. ...Read more
Sympathetic nerves: During exercise the sympathetic nervous system is stimulated. The catecholamines released as well as direct stimulation on the heart result in a faster heart rate as well as increased contractility which raises cardiac output. This increases the rate of volume/pressure rise into the vasculature (dp/dt). This increases bp. ...Read more
Is mod to sever aorta stenosis with peak/mean pressure gradient of 57.06mmhg/37.30mmh requiring aorta valve replacement stat?
It could be: It depends upon whether symptoms are present. If the aortic stenosis is causing chest pain, congestive heart failure, shortness of breath or blackouts then this is usually regarded as a reason for prompt treatment. If there are no symptoms then watchful waiting is sometimes appropriate. BTW some patients in this age group qualify to have the valve implanted through a catheter via the groin. ...Read moreSee 1 more doctor answer
Vascular tone: Both systolic and diastolic pressures are significantly impacted by the level of vascular tone or "resistance" or restriction to a given rate of blood flow. Although we have excellent medication options for managing vascular resistance, I have found that good cardiovascular conditioning seems to positively impact the diastolic blood pressure by enhancing "run off" in the peripheral vascular bed. ...Read moreSee 1 more doctor answer
Question?: Not sure what the question is. Can they occur ? Yes should it be checked by a doctor? Yes. Could it be serious? Yes. ...Read more
Can Cardio-selective Betablockers lead to dyssynchrony between outgoing and reflected pulse wave & increase central aortic pressure & cause stenosis?
Starling mechanism: You mean how does venous pressure regulate cardiac output.similar to the Starling mechanism-by increasing pre load. Up to a certain point cardiac output is directionally proportional to venous pressure assuming that everything else is the same such as the after load or cardiac contractility ...Read more
Got dysautonomia, blood pressure 124/60, wide pulse pressure, will fludrocortisone bring the diastolic BP up and make it more normal?
Does a right atrium dilated, RV pressure of 25-30 mHg, IVC dynamics 5-10 mmHg subjective possibly of pulmonary hypertension or heart failure?
If accurate, only: mildly ?ed. RA ~10 mmHg, RV systolic ~25 mmg Hg generally ~optimally healthy; similar to the values stated. Thus RA enlargement likely: mismeasurement (common, not rare; study image data yourself), marked tricuspid regurgitation, congenital variant, atrial muscle problem [eg advanced arterial disease in RA arteries; (lumens too small to see by angiography) producing RA ischemia/fibrosis], etc. ...Read more
Diastolic pressure is the minimum pressure exerted on the venous or arterial walls, is this true?
How bad is tricuspid valve annular systolic velocity of 11.9 cm/sec? Peak regurgitation velocity 2.31 m/sec R atrial pressure 3 mmHg.
Will cardio exercise cause leakage of your mitral heart valve if your mitral valve is weakened due to endocarditis?
No: Cardio improves overall heart-lung-muscle function. A leaking valve will not be damaged, per se. However, depending on the amount of valve damage and leak from the endocarditis, total cardio performance may be limited. Discuss with you doctor about performing an exercise stress test before engaging in strenuous cardio exercise. ...Read moreSee 1 more doctor answer
Heart valves: The mitral and aortic valves are the most often replaced valves, but sometimes the mitral valve can be repaired, but not the aortic valve. So probably the aortic is the most replaced. It is much less common that the pulmonary or tricuspid valve be replaced. ...Read more
Can performing the valsalva maneuver while weightlifting exacerbate normal leakage across the valves of the heart if a murmur already exists?
31 years old double bypass both chest arteries. Strong undamaged heart controlled diet controlled blood pressure exercise daily controlled cholesterol?
CAD: If I understand accurately, a 31 yo male has CAD and required double bypass, yet did not or does not have traditional risk factors for CAD. ? What is etiology of CAD? Yes, maintaining control and normalcy of BP, chol, TG, glucose, and having an optimal, heart healthy diet IS essential, as is daily exercise, and not smoking and maintaining optimal BMI. Ask your cardiologist about cause of CAD. ...Read moreSee 1 more doctor answer
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