10 Answered Questions for the topic cardiology
Identify medications that may be helping to induce this arrhythmia
A 60-year-old woman presents to the emergency room complaining of syncope. She was in her car when she had the episode and had a minor accident. She indicates that she has had more than one syncope... more
How did the cardiovascular system evolve?
How has evolution created our blood, lungs and the heart?We can't exist without blood, which transports the oxygen to all areas of our body. However, the blood needs a lung, which gives it the... more
Anatomy of heart?
What is an auricle and is there any similarity between auricle and ventricle or atria because in my anatomy book many times the author refer to auricle as ventricle?
What is the speed of blood?
The speed of blood may vary from one place to another and may be quite low in the tiniest vessels compared to the biggest one. What is the speed of blood while exiting a normal human heart?
Why do people say that trans fatty acids are bad for your health?
I've heard from several sources that trans FAs are bad for you and their consumption will lead to cardiac problems, and that they are indigestible.But I also learned from biochemistry that they... more
Why does the heart use lipids (and not glucose)?
Fetal hearts use glucose as their primary metabolic substrate. Adult hearts use free fatty acids, which are less efficient (require more $O_2$ to synthesize the same amount of ATP); however,... more
Isolating the vasculature of an organ?
Is there a chemical or process that would dissolve or remove all other tissues in an organ and leave all the vasculature intact? I am planning to make a shelf display of the blood vessels in the... more
Can humans live without their right atrium?
The right atrium is one of four chambers (two atria and two ventricles) in the hearts of mammals (including humans) and archosaurs (which include birds and crocodilians). It receives deoxygenated... more
Why do our bodies maintain blood pressure but not the flow rate?
This might be a silly question but i'm not not clear I'm always told that blood pressure is homeostatic parameter and can't not be changed but isn't what important is the flow rate to the organs?... more