Nursing Tuitions

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12/02/2026

On a lighter moment 😁🤣

Pregnancy and Birth Human development begins with fertilization in the ampulla of the fallopian tube, where a s***m fuse...
10/02/2026

Pregnancy and Birth

Human development begins with fertilization in the ampulla of the fallopian tube, where a s***m fuses with the secondary oocyte to form a diploid Human development begins with fertilization in the ampulla of the fallopian tube, where a s***m fuses with the secondary oocyte to form a diploid.

The zygote undergoes cleavage into 2-cell, 4-cell, and 8-cell stages without increase in size, leading to morula formation. The morula enters the uterine cavity and converts into a blastocyst consisting of trophoblast and inner cell mass.

The blastocyst implants into the endometrium, establishing maternal support for embryonic growth.
The inner cell mass forms the embryo, while the trophoblast forms the chorion and contributes to placenta formation.

Chorionic villi develop to increase the surface area for maternal–fetal exchange. The placenta connects to the fetus through the umbilical cord containing two umbilical arteries and one umbilical vein. The fetus remains enclosed within the amniotic sac filled with amniotic fluid, providing protection, temperature regulation, and movement.

Maternal and fetal blood do not mix directly; exchange occurs through placental membranes. Fetal circulation includes ductus venosus, foramen ovale, and ductus arteriosus to bypass liver and lungs.

The first trimester establishes all major organ systems. The second trimester shows rapid growth and structural differentiation. The third trimester shows functional maturation and weight gain.

At term, the fetus lies in cephalic position within the uterine cavity above the cervix. Labor begins with rhythmic uterine contractions.

The first stage causes cervical effacement and dilation. The second stage results in expulsion of the fetus through the birth canal. The third stage results in expulsion of placenta and membranes. After birth, the umbilical cord is cut, fetal shunts close, pulmonary circulation starts, and independent respiration begins.

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✅ Congestive Heart Failure (CHF) — High-Yield Summary + MnemonicsWhat is CHF?Heart can’t pump enough blood to meet body ...
10/02/2026

✅ Congestive Heart Failure (CHF) — High-Yield Summary + Mnemonics

What is CHF?

Heart can’t pump enough blood to meet body needs
➡️ Causes:
• Forward failure = ↓ organ perfusion
• Backward failure = congestion (fluid backs up)

✅ Mnemonic: “F = Flow ↓, B = Back-up”

🫁 Left Heart Failure (LHF)

Main causes
• IHD (ischemia/MI)
• Hypertension
• Cardiomyopathy
• Aortic/Mitral valve disease

Key findings
• Pulmonary congestion/edema
• Dyspnea
• Orthopnea
• PND (paroxysmal nocturnal dyspnea)
• Crackles (rales)
• S3 gallop

✅ Mnemonic: “Left = Lungs”
LHF → Lung fluid

⭐ Extra high-yield:
• “Heart failure cells” = hemosiderin-laden macrophages in alveoli

⸻

🦵 Right Heart Failure (RHF)

Most common cause

✅ Left-sided HF (most common)

Other causes:
• Pulmonary disease / pulmonary HTN
• Tricuspid valve disease
• Cor pulmonale

Key findings
• JVD
• Hepatosplenomegaly
• Peripheral (dependent) edema
• Ascites
• Weight gain
• Pleural/pericardial effusions

✅ Mnemonic: “Right = Rest of body (systemic congestion)”
RHF → body swelling

⸻

🌬️ Cor Pulmonale (very important)

Right-sided HF due to lung disease → pulmonary HTN

✅ Flow mnemonic:
Lung disease → Pulm HTN → RV pressure ↑ → RV hypertrophy → RHF

⸻

🛏️ Clinical correlate: Orthopnea

Orthopnea severity can be measured by number of pillows needed to sleep comfortably
(e.g., “3-pillow orthopnea”).

✅ Mnemonic: “More pillows = worse CHF”

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05/12/2025

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What are the 4 stages of labour?The four stages of labor are: Stage 1 (cervical dilation), Stage 2 (birth of the baby), ...
03/12/2025

What are the 4 stages of labour?

The four stages of labor are: Stage 1 (cervical dilation), Stage 2 (birth of the baby), Stage 3 (delivery of the placenta), and Stage 4 (immediate postpartum recovery). The first stage involves contractions to open the cervix, followed by pushing and delivery of the baby in the second stage, then the placenta in the third. The fourth stage is the initial recovery period for the mother and baby for the first couple of hours after birth.


Stage 1: Cervical dilation

What happens:

The cervix thins out (effacement) and opens up to10cm (dilation) through regular uterine contractions. This is the longest stage and can be divided into early and active phases.

During this time:

Contractions gradually become stronger, more frequent, and closer together.

Stage 2: Pushing and birth

What happens:

This stage begins when the cervix is fully dilated and ends with the birth of the baby.

During this time:

You will push with each contraction to help guide the baby through the birth canal.

Stage 3: Placenta delivery

What happens: The placenta is delivered after the baby is born.

During this time: The uterus continues to contract to expel the placenta, which typically takes about 30 minutes.

Stage 4: Recovery

What happens:

This is the first two hours after the baby is born, focusing on the initial recovery of the mother and bonding with the baby.

During this time:

The uterus begins to return to its pre-pregnancy size. Healthcare providers will monitor the mother for any excessive bleeding and the baby for stability, while the baby is often placed on the mother's chest for skin-to-skin contact.

What prematurity isDefinition: A baby born before 37 completed weeks of pregnancy.Subcategories:Late preterm: 34 to 36 w...
30/11/2025

What prematurity is
Definition: A baby born before 37 completed weeks of pregnancy.

Subcategories:

Late preterm: 34 to 36 weeks
Moderately preterm: 32 to 34 weeks
Very preterm: 28 to 32 weeks
Extremely preterm: Before 28 weeks
Common health issues associated with prematurity
Breathing problems: Underdeveloped lungs and weak muscles.
Temperature instability: Difficulty staying warm.
Feeding immaturity: Difficulty with oral feeding, sometimes requiring IV or tube feeding.
Jaundice: Yellowing of the skin from the breakdown of red blood cells.
Nervous system problems: Including bleeding in the brain or seizures.
Immune system weakness: Increased susceptibility to infection.
Other organ immaturity: Leading to issues with blood pressure, kidneys, and digestion.

Risk factors for premature birth
Maternal health:

Chronic conditions like diabetes and high blood pressure, preeclampsia.
Pregnancy complications: Placental abruption or placenta previa.
Previous preterm birth: A history of early delivery increases the risk.
Multiple gestation: Twins, triplets, or more.
Substance use: Smoking, alcohol, or drug use during pregnancy.
Cervical or uterine problems: Structural issues or infections.

30/11/2025

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22/11/2024

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10/10/2024

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AORTIC COARCTATION: is a narrowing of a part of the body's main artery, called the aorta. The condition forces the heart...
15/09/2024

AORTIC COARCTATION: is a narrowing of a part of the body's main artery, called the aorta. The condition forces the heart to work harder to pump blood.

Coarctation of the aorta is usually present at birth. That means it is a congenital heart defect. But sometimes the condition can occur later in life.
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