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Global Emergency Medical Technicians Registry

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Global Emergency Medical Technicians Registry

Global Emergency Medical Technicians Registry (GEMTR) Inc. Is non-profit. EMR/EMT/EMT-A/Paramedic

To provides Certification process to access the Examination, Psychomotor assessments skills and knowledge required for competent practice by EMS.

13/01/2026

High blood pressure affects millions silently- learn the stages, check risks, and take control today. Monitor, manage, live longer!

09/01/2026

25 years Frontline Experience
Becoming a specialist Paramedic
゚viralシfypシ゚viralシalシ

08/01/2026

I got over 500 reactions on one of my posts last week! Thanks everyone for your support! 🎉

08/01/2026

Airway management devices
Note educational purposes only

02/01/2026

Emergency Medications

27/12/2025

Types of oxygen masks
Note educational purposes only

27/12/2025

Rule of Nines
For Burns (Adult)

27/12/2025

❇️ Blood Type Compatibility (Packed RBC Transfusion)

Basic rule
→ Transfuse RBCs only when the recipient has no antibodies against donor RBC antigens
→ Compatibility depends on ABO system + Rh (D) factor

A⁺
→ Donate to: A⁺, AB⁺
→ Receive from: A⁺, A⁻, O⁺, O⁻

B⁺
→ Donate to: B⁺, AB⁺
→ Receive from: B⁺, B⁻, O⁺, O⁻

AB⁺
→ Donate to: AB⁺
→ Receive from: Everyone
→ Universal RBC recipient

O⁺
→ Donate to: O⁺, A⁺, B⁺, AB⁺
→ Receive from: O⁺, O⁻

A⁻
→ Donate to: A⁺, A⁻, AB⁺, AB⁻
→ Receive from: A⁻, O⁻

B⁻
→ Donate to: B⁺, B⁻, AB⁺, AB⁻
→ Receive from: B⁻, O⁻

AB⁻
→ Donate to: AB⁺, AB⁻
→ Receive from: AB⁻, A⁻, B⁻, O⁻

O⁻
→ Donate to: Everyone
→ Receive from: O⁻ only
→ Universal RBC donor

Important note
→ Applies to packed RBC transfusion only
→ Plasma compatibility is different (reverse rules)

26/12/2025

Richard (Rich) Durcan, 47
Welsh Ambulance Service University NHS Trust
United Kingdom
End of Watch: October 29th, 2025

Rest easy brother,
DanSun

26/12/2025

Coronary Anatomy & Dominance

♦️· Dominance Patterns (Defined by PDA origin):

· Right-Dominant: ~70-85% (PDA from RCA)
· Left-Dominant: ~5-10% (PDA from LCX)
· Co-Dominant: ~10-20% (dual supply)
Dominance determines the infarct artery in inferior/posterior ischemia.

⚠️ Key Clarification: Posterior wall supply is not a fixed 80/20 split. It is entirely determined by coronary dominance (RCA if right-dominant, LCX if left-dominant).

📈 Clinical Implications:

· The LAD is the most clinically significant occlusion due to large anterior myocardial territory.
· Dominance dictates which vessel supplies the AV node (>90% from dominant artery) and inferior septum.
· Modern ECG nomenclature favors "inferior" or "inferoposterior" STEMI over "posterior," correlating with occlusion in the dominant artery (usually RCA in right-dominant systems).
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26/12/2025

Common medicine 💊💊
_-

26/12/2025

Skin lesions

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