Week 1 Introduction to Imaging and Data Interpretation ✅ Flashcards
How might you see hypertension on an ECG? How might it present?
Left ventricle hypertrophy
Increased voltage in lateral leads as more electricity when pumping
How might lack of patient mobility affect blood?
Blood circulation less
Protein substances higher as bed bound
Less metabolism
How might a tourniquet affect blood?
Physical restriction
Blood stagnant - clotting
How might difficulty finding a vein affect blood?
Dripping out —> not getting much —> haemolysis.
Bottles contain anticoagulants and needs to be filled quickly
Haemolysis affects potassium so it will be falsely high
High potassium is life threatening
How might medication affect blood?
Bioavailability, rate of metabolism
What is the difference between serum and plasma?
Serum is clear and has no WBC, RBC or clotting factors
Serum + clotting factors = plasma
What is an SST tube?
Serum separating tube
What is an anticoagulant tube?
Plasma as stops clotting factors
What does EDTA tube do?
Has anticoagulant in - stops RBC and platelets
What factors are important to remember when interpreting bloods?
Age
Gender
Metabolism with age
Male vs female hormones
Reference ranges
What is significant about ALP enzyme?
It is an enzyme in bones. High in parts as they are growing but then levels out. If high in adults it could be bone metastases
What is the significance of results on the edge of limits?
?true positives/negatives
What colour does gas appear on an x ray and why?
Black - no absorption
What colour does metal and bone appear on an x ray and why?
White - fully absorbed
What is the purpose of a uteric stent and how do you put it in?
To treat kidney stones as they block kidney drainage
Do via cystoscopy and feed through
