IVs, Autoinjectors and PAKs - Medical - United Task Force (UNITAF) Arma 3

P2-18 IVs, Autoinjectors and PAKs

UNITAF / Arma 3 / Medical Procedures

Version 2 / 3min read / Updated Mon 02 Nov 2020 / 477 views


An autoinjector is a medical device designed to deliver a dose of a particular drug. The injectors were initially designed to overcome the hesitation associated with self-administration of the needle-based drug delivery device. Most autoinjectors are one-use, disposable, spring-loaded syringes.


Autoinjector Effect Time in the system
Morphine Decreases the blood viscosity, suppress pain 30 minutes
Epinephrine Raises the heart rate of the patient, increases the chance to recover consciousness 2 minutes
Adenosine Lowers the heart rate and blood pressure 2 minutes


Note: Morphine stays much longer in the system compared to other medications, while it stays in the system for 30 minutes, one can be used every 15 minutes or so - if required.



Morphine is the most common drug that can be overdosed. Any case of a patient who recieves more than 2 doses of a standard auto-injector within a 15 minute window will more than likely result in overdose. This cannot be recovered through positive intervention - the patient would have to wait in a CAT-II DELAYED state until the drug is diluted in the blood, which takes up to 15 minutes, depending on the time between the two doses. To avoid overdose, it's important to communicate the usage of pain medication both between medics and also between medics and patients.


Saline, plasma and blood

  • All three restore the volume of liquid in the blood stream.
  • As a result blood pressure is raised for all of them. 
  • Use the appropriate amount depending on the situation.
  • They come in three different volumes, 250ml, 500ml, 1000ml
  • There is no difference between them and IVs will always be referred to as "blood".

Important: IVs will not work on limbs that have a tourniquet applied, they also require you to stay in the same area with the patient.


Personal Aid Kit (PAK)

A PAK is used to fully heal someone it removes any injury, restores vitals to a stable state and reset the medical history, clears all medication in the system. It is useful for serious injuries whereby the patient has a great number of wounds, or to deal with long-term wounds which have an adverse effect on someones combat effectiveness. Depending on the deployment size, PAK is either done "In the field" or "Off the field" in larger deployments (typically 20+) PAK is always done "Off the field" due to the support assets deployed.

  • It’s use is limited to Squad Medics and Platoon Medics (and any other senior medics, such as MERT Teams)
  • Combat life savers can use it, although special conditions must be met - namely, the CLS and his patient need to be in a medical vehicle or a medical facitility.
  • You need to stabilise the patient before using PAK.
    • Make sure he is not bleeding (tourniquets will do)
    • Has no torso or head wounds
    • Has pulse.
  • PAK is consumed on use.

It's worth noting that as per the name all Infantry carry a Personal Aid Kit, although medics can and do carry spares.

UNITAF Standard Operating procedures (SOP)
are adapted primarly from US Army Training and Doctrine Command (TRADOC). Our written and audio procedures are a combination of the following primary source materials, as well as our own learnings, modifications and adaptations:
- US Army Techniques Publication, Infantry Platoon and Squad (ATP 3-21.8)
- Soldier’s Manual of Common Tasks Warrior Leader Skills Level 2, 3, and 4 (STP 21-24-SMCT)
- The Warrior Ethos and Soldier Combat Skills (FM 3-21.75 / FM 21-75)
- Leadership Development (FM 6-22)
- Dyslexi's Tactics, Techniques, & Procedures for Arma 3 (TTP3)

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