Why Does Pain Occur During a Coronary Artery Block?

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SUMMARY

Pain during a coronary artery block occurs due to the heart's inability to receive adequate blood supply, leading to a deficiency in oxygen and nutrients. This physiological response triggers pain neurotransmitters as part of the body's defense mechanism, signaling that something is wrong. The nervous system reacts initially at a low level, with conscious pain registering later as the body attempts to address the underlying issue. Understanding the pathophysiology of pain during a heart attack is crucial for recognizing symptoms and seeking timely medical intervention.

PREREQUISITES
  • Basic understanding of cardiovascular physiology
  • Knowledge of pain neurotransmitter mechanisms
  • Familiarity with the concept of ischemia
  • Awareness of heart attack symptoms and emergency response
NEXT STEPS
  • Research the pathophysiology of ischemic heart disease
  • Study the role of pain neurotransmitters in cardiovascular events
  • Learn about the body's healing processes during myocardial infarction
  • Explore the clinical guidelines for recognizing and treating heart attack symptoms
USEFUL FOR

Medical students, healthcare professionals, and individuals seeking to understand the physiological mechanisms of pain during coronary artery blockages and heart attacks.

mktsgm
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Hi,

I have a doubt. Why pain occurs in a coronary artery block. I can understand, heart cannot work efficiently if blood sent to is less. It may lack oxygen and other nutrients. It can even fail to perform or even be dead.

But why there should be a pain? What is the role of pain and how pain neurotransmitters triggered?

I would like to know the pathyphysiology of pain during a heart attack. Especially why?

Does the body trying to heal itself?

Regards,
 
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What we experience as pain is a 'feeling', something is not right.
It can be something simple like accidentally burning yourself on a hot plate.
The nervous system makes triggers that mostly are responded to at 'low level' - we remove our hand from the plate before we experience pain as such.
My guess is that the same kind of reaction is hapenning in the situation you described.
Initially parts of the nervous system close to the problem react, and somewhat later 'something happened' registers as conscious 'pain'.
 
mktsgm said:
Hi,

I have a doubt. Why pain occurs in a coronary artery block. I can understand, heart cannot work efficiently if blood sent to is less. It may lack oxygen and other nutrients. It can even fail to perform or even be dead.

But why there should be a pain? What is the role of pain and how pain neurotransmitters triggered?

I would like to know the pathyphysiology of pain during a heart attack. Especially why?

Does the body trying to heal itself?

Regards,
This can be easily googled and is too broad for us to go into. If after you look this up your self you have more *specific* questions, then please feel free to ask.

if you are asking because you or someone you know is experiencing this, please see a doctor as soon as possble.
 
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