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Sahi h kya h
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Haan bhai, notes mostly sahi hain - lekin ek important correction hai! Poora breakdown yahan hai:
✅ Jo Sahi Hai:
Renin-Angiotensin System (RAS) / Renin-Angiotensin Mechanism (RAM) - naam bilkul theek hai.
Flow jo diagram mein hai:
Kidney → Juxtaglomerular Apparatus (JG App.) → Renin
Blood → Plasma → Angiotensinogen (precursor)
Renin + Angiotensinogen → Renin acts on it
↓
Angiotensin I (R.A. Ist)
↓ ACE (Angiotensin Converting Enzyme)
Angiotensin II (R.A. IInd)
↓
Angiotensin III (R.A. IIIrd)
↓
Angiotensin IV (R.A. IVth)
↓
Control the Blood Pressure ✅
⚠️ Ek Correction:
Notes mein likha hai "Renin + Angiotensin" combine hote hain - yeh thoda misleading hai.
Sahi process yeh hai:
- Plasma mein Angiotensinogen (ek protein) hota hai
- Kidney ka Renin enzyme, Angiotensinogen ko cut karke Angiotensin I banata hai
- Phir ACE (lungs mein mainly), Angiotensin I ko Angiotensin II mein convert karta hai
- Angiotensin II sabse important active form hai - yeh BP badhata hai
Key Points jo yaad rakhna hai:
| Form | Kaam |
|---|---|
| Ang I | Inactive precursor |
| Ang II | Main active form - vasoconstriction, aldosterone release |
| Ang III | Aldosterone stimulate karta hai |
| Ang IV | Memory, renal function |
| ACE inhibitors (enalapril, lisinopril) | Ang II banana rokta hai → BP kam hota hai |
Overall notes acche hain - concept clear hai! Bas Angiotensinogen aur Angiotensin ka difference yaad rakhna. 👍
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