During acute ischemia the most immediate requirement for the heart is
A.Blood
B.Oxygen
C.Glucose
D.High energy ATPs
E.Free fatty acid
Answer : A will be considered by most , as correct answer . A can provide B to E . But it is also a fact heart can survive without A.
Myocardium requires energy first ! it does not in fact [...]
Archive for October 9th, 2008
How is the blood volume distributed in normal human body ?
Posted in Cardiology - Clinical, Infrequently asked questions in cardiology (iFAQs), cardiology -Therapeutics, tagged autonomic dysfunction, blood volume, bmj, capillary, cardiac output, cardiology, drsvenkatesan, effective circulatory volume, fludrocortisone, heart, Hemodynamics, lnacet, lvedp, nejm, ortho static hypotension, pcwp, physiology of circulation, pulmonary edema, syncope, venous circulation, venous insufficiency, venous pooling on October 9, 2008 | Leave a Comment »
Humans have roughly 5 to 6 liters of blood at any given time in their body . Out of this*
50% (2500ml) is located in the systemic venous compartment.
18% is within the pulmonary circulation participating in the vital oxygenation
12% (500-600ml) is within the cardiac chambers.
8% is in the arterial tree of the body.
5% is within the capillaries.
2% is in [...]
Can hypoglycemia cause angina ?
Posted in Cardiology - Clinical, Infrequently asked questions in cardiology (iFAQs), cardiology- coronary care, tagged acs, acute coronary syndrome, angina, cardiac arrhythmias, cardiology, diabetes mellites, drsvenkatesan, hypoglycemia, jama, lancet, nejm, tiggers on October 9, 2008 | Leave a Comment »
Glucose is the molecule of life ,burnt every second inside the body at the energy store house called mitochondria. Heart , the most active organ in the body gets bulk of it’s energy supply from fatty acids, glucose and a little from keto acids. Under anerobic conditions this energy substrates shifts towards glucose .
We are [...]
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