PLACENTA,UMBILICAL_CORD,Antiarrythmicdrugs #classification


❤ The placenta is an organ that develops in the uterus during pregnancy.

💚 This structure provides oxygen and #nutrients to the growing baby and removes #waste_products from the baby’s blood.

💙 The placenta attaches to the wall of the uterus, and baby’s umbilical cord arises from it.


🧡 The umbilical cord is a narrow tube-like structure that connects the developing baby to the placenta.

💛 The cord is sometimes called the baby’s( #supply_line ) because it carries the baby’s blood back and forth, between the baby and the placenta.

🖤 The umbilical cord has (umbilical artery ) which carries deoxygenated blood from the developing fetus to mother .

💜 Then this blood , after oxygenation , returns back to the fetus by the ( umbilical veins ) .


Antiarrythmicdrugs #classification

Antiarrhythmic drugs and their classification:

▶️Antiarrhythmic drug classes:
*Class I – Sodium-channel blockers.

*Class II – Beta-blockers.

*Class III – Potassium-channel blockers.

*Class IV – Calcium-channel blockers.

▶️ Antiarrhythmic drugs are used for what?

*Antiarrhythmic medications prevent and treat abnormal heartbeats (arrhythmias).
*Problems with your heart’s rhythm are caused by a disruption in the heart’s electrical system.
*A drug called atropine may be prescribed if your heart beats too slowly (bradycardia).

▶️ Examples of Arrhythmias:

*Premature atrial contractions.
*Supraventricular tachycardia or paroxysmal SVT.
*Sick sinus syndrome.
*Atrial fibrillation.
*Atrial flutter.
*Premature ventricular complex, or PVCs.
*Ventricular tachycardia.
*Ventricular fibrillation,….

The picture below shows Antiarrhythmic drugs classification ,examples for each classe and simple way to memorize them.


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