Perfect Prep for Every Paper | Precision in Every Answer!
How many minutes can the body survive without oxygen and perfusion? - Answer:
Brain + spinal cord = 4 - 6 minutes
Kidneys = 45 minutes
Skeletal muscles = 2 hours
Ischemia - Answer: When the organ (heart) is not getting its metabolic needs met
How much blood can the body lose? - Answer: An acute blood loss of greater than 20%
of blood will not be tolerated (1.2L)
200 ml for an one year old child
Hemorrhage - Answer: Bleeding
Blood Donation - Answer: Adults = 1 unit (500 ml) of blood over 15 - 20 minutes
If more than 1 L of blood is loss...
- increase heart rate
- increase respiratory rate
- decrease b.p.
Types of Bleeding - Answer: Arterial
- bright red
- spurts
- most difficult to control
Venous
- dark red
- no spurts
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APPHIA - Crafted with Care and Precision for Academic Excellence.
, Capillary
- oozes
- control easily
Blood Clotting Medication - Answer: 1. Aspirin (ASA) = Platelet inhibitor (Acetylsalicylic
acid)
2. Heparin = blood thinner (EX: dialysis patients)
3. TPA = tissue plasmitic activator, breaks down scabs so body can reabsorb
Internal Bleeding - Answer: NOI = ulcers, colon, ectopic pregnancy
1. Dizziness
2. Faintness
3. Weakness
4. Pain
5. Tenderness
6. Guarding
Ecchymosis - Answer: Bruising (contusion)
Hematoma - Answer: Bleeding beneath skin (compartment syndrome)
Hematemesis - Answer: Blood in vomit
Melena - Answer: Black, tarry stool
Hemoptysis - Answer: Coughing up blood
Steps to Control Bleeding - Answer: 1. Direct Pressure - 4x4 dressing
2. Elevation - above the level of the heart
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APPHIA - Crafted with Care and Precision for Academic Excellence.