Course Content
🔵 Theme 1 — Chest Pain
🔵 Theme 2 — Breathlessness and Ankle Swelling
🔵 Theme 3 — Blood Pressure
🔵 Theme 4 — Palpitations
Cardiovascular System (CVS) Module

🧠 Step 8 — Student Memory Support

This final section is designed for rapid revision, memory strengthening, and last-day exam preparation. Use it after completing the topic to recall high-yield facts quickly.

🎯 How to Use This Section

  • Revise flashcards for quick recall.
  • Use mnemonics to remember lists.
  • Review memory tables for comparison-based questions.
  • Read clinical hooks before exams.
  • Mark the topic complete after revision.

🃏 1️⃣ High-Yield Flashcards

What is the major resistance vessel of circulation?
Arteriole
Which law states that flow is proportional to pressure gradient?
Ohm’s law
Which factor most strongly affects vascular resistance?
Vessel radius
What is basal tone?
Partial continuous contraction of vascular smooth muscle
Which force pushes fluid out of capillaries?
Capillary hydrostatic pressure
Which force pulls fluid into capillaries?
Plasma oncotic pressure
Which plasma protein mainly generates oncotic pressure?
Albumin
Which capillary type contains fenestrations?
Fenestrated capillary
Which capillary type allows passage of proteins and cells?
Sinusoidal capillary
Which local metabolite acts as a vasodilator during exercise?
Adenosine
What is the primary function of lymphatics?
Return excess interstitial fluid to circulation
What is edema?
Excess accumulation of interstitial fluid

🧠 2️⃣ Mnemonics

Mnemonic Title:

Causes of Edema

Mnemonic Word:
“HELP”

Meaning:

H → High hydrostatic pressure
E → Excess permeability
L → Lymphatic obstruction
P → Protein deficiency (low oncotic pressure)


Mnemonic Title:

Local Vasodilators

Mnemonic Word:
“CAKHL”

Meaning:

C → CO₂
A → Adenosine
K → Potassium
H → H⁺ ions
L → Lactate


Mnemonic Title:

Capillary Types

Mnemonic Word:
“CFS”

Meaning:

C → Continuous
F → Fenestrated
S → Sinusoidal

📋 3️⃣ Memory Tables

Table 1 — Capillary Types

Capillary Type Main Feature Common Site
Continuous Tight junctions Brain, muscle
Fenestrated Small pores Kidney
Sinusoidal Large gaps Liver, bone marrow

Table 2 — Starling Forces

Force Main Action
Hydrostatic pressure Pushes fluid out
Oncotic pressure Pulls fluid in

⚡ 4️⃣ Rapid Revision Points

Must Remember:

• Arterioles are resistance vessels.
• Radius has greatest effect on flow.
• Flow ∝ pressure gradient.
• Hydrostatic pressure favors filtration.
• Oncotic pressure favors reabsorption.
• Albumin maintains plasma oncotic pressure.
• Lymphatics prevent edema formation.
• Histamine increases capillary permeability.
• Nitric oxide is a vasodilator.
• Exercise increases skeletal muscle blood flow.
• Brain blood flow shows autoregulation.
• Venous congestion causes ankle edema.

🩺 5️⃣ Clinical Memory Hooks

Clinical Hook:

Congestive heart failure → Increased hydrostatic pressure → Ankle edema


Clinical Hook:

Liver disease → Low albumin → Generalized edema


Clinical Hook:

Burns/inflammation → Increased capillary permeability → Tissue swelling


Clinical Hook:

Elephantiasis → Lymphatic obstruction → Protein-rich edema


Clinical Hook:

Exercise → Local metabolite accumulation → Vasodilation and increased muscle blood flow

 

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