🔴Definition of ‘Nursing’ and a ‘Nurse’ 2026

⭐️- Types of Heart Block -⁠
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🫀Heart blocks occur when electrical signals from the atria to the ventricles are delayed or blocked⁠
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🫀This leads to changes in the relationship between P waves and QRS complexes⁠

⭐️ Sheehan Syndrome 🤱🧠

A postpartum hypopituitarism caused by ischemic necrosis of the anterior pituitary following severe obstetric hemorrhage.

⭐ Classic Association = Postpartum hemorrhage + Failure to lactate

📌 Pathophysiology
• Massive postpartum blood loss
• Enlarged pituitary during pregnancy is vulnerable to ischemia
• Anterior pituitary infarction
• Multiple pituitary hormone deficiencies

📌 Classic Features
• Failure to lactate (earliest sign)
• Secondary amenorrhea
• Loss of pubic/axillary hair
• Fatigue and cold intolerance

📌 Hormones Decreased
• ↓ Prolactin
• ↓ FSH/LH
• ↓ TSH
• ↓ ACTH

📌 Investigations
• Hyponatremia
• Low pituitary hormones
• MRI: Pituitary infarction or empty sella

📌 Management
• Hydrocortisone FIRST ⚠️
• Levothyroxine replacement
• Estrogen/progesterone replacement
• Other hormone replacement as needed

⚡ Rapid Exam Clue
Postpartum hemorrhage + inability to breastfeed = Sheehan Syndrome

🧠 Memory Trick
“She can’t feed the baby after she bled.”

😀2025 Edition Book Collection from the American Save Life Organization