Laboratory Talks - Invidious

Laboratory Talks

First Pakistani female Medical Laboratory educational Channel ☺️😇
I am a professional medical technologist. My main purpose of making this channel is to help all medical professionals especially lab technicians and technologists through my videos that includes lectures based on important lab topics,practical videos and knowledge about machines and mcqs related to lab subjects to refresh our knowledge & helpful to pass exams for new jobs.
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Laboratory Talks

TYPES OF TRANSFUSIONS IN LABORATORY.... BLOOD TRANSFUSIONS

5 days ago | [YT] | 40

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Laboratory Talks

TYPES OF PIPETTES...

1 week ago | [YT] | 46

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Laboratory Talks

Malaria 🦟 🦟🦟 life cycle...

2 weeks ago | [YT] | 29

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Laboratory Talks

Helpful MCQS

3 weeks ago | [YT] | 16

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Laboratory Talks

Structure of Heart:
A heart diagram shows four chambers (right/left atria, right/left ventricles), four valves (tricuspid, pulmonary, mitral, aortic) that control blood flow, major vessels (vena cavae, aorta, pulmonary artery/vein), the dividing septum, and protective layers (pericardium, myocardium, endocardium), with blood moving from body to right side (deoxygenated) to lungs, then from lungs to left side (oxygenated) to body, pumped by stronger left ventricle.

Key Structures in a Heart Diagram

Chambers:

Right Atrium: Receives deoxygenated blood from the body.

Right Ventricle: Pumps deoxygenated blood to the lungs.

Left Atrium: Receives oxygenated blood from the lungs.

Left Ventricle: Pumps oxygenated blood to the rest of the body (thickest wall).

Valves (One-Way Doors):

Tricuspid: Between right atrium & right ventricle.

Pulmonary: Between right ventricle & pulmonary artery.

Mitral (Bicuspid): Between left atrium & left ventricle.

Aortic: Between left ventricle & aorta.

Major Vessels:

Superior/Inferior Vena Cava: Brings deoxygenated blood to the right atrium.

Pulmonary Artery: Carries blood from right ventricle to lungs.

Pulmonary Veins: Bring oxygenated blood from lungs to left atrium.

Aorta: Carries oxygenated blood from left ventricle to the body.

Other Important Parts:

Septum: Wall dividing right and left sides.

Coronary Arteries: Supply blood to the heart muscle itself.

Blood Flow Path (Simplified)

Body → Right Side: Vena Cavae → Right Atrium → Tricuspid Valve → Right Ventricle.

Right Side → Lungs: Right Ventricle → Pulmonary Valve → Pulmonary Artery → Lungs (for oxygen).

Lungs → Left Side: Pulmonary Veins → Left Atrium → Mitral Valve → Left Ventricle.

Left Side → Body: Left Ventricle → Aortic Valve → Aorta → Body.