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avR
avL
avF
-augmented lead toward the right arm
-augmented lead toward the left arm
-augmented lead toward the foot
Bundle of His(AV bundle)
-are a group of muscle fibers in the heart are crucial for electrical conduction.
-is not working if R- is short
Calculating Heart Rate
1.Count the number of large squares within one R-R interval
Divide 300 by the number of large squares
Calculating QRS complexes
count the number of QRS complexes on rhythm strip.
Multiply the number complexes by six.
Ventricular fibrillation(V-fib)
is a dangerous heart rhythm where the lower chambers of the heart shake instead of pumping blood effectively.
Ventricular Techcardiya(v-tech)
is made when there is a disruption in the hearts normal electrical signaling within the lower chambers(ventricles). This causes the heart to beat too fast.
Ventricular A systole
flat line
Types of Heart Blocks:1st degree AV(atrioventricular) block
occurs when electrical signals from the atria to the ventricles are delayed.
Types of Heart Blocks:Second-Degree AV block Mobitz Type 1
the electrical signal from the atria to the ventricles is intermittently blocked.
Types of Heart Blocks:Second Degree AV block Mobitz Type 2
a heart rhythm disturbance where some electrical impulses from the atria fail to reach the ventricles, causing skipped heartbeats.
Types of Heart Blocks:Third Degree AV block(complete)
is a serious heart condition where electrical signals from the atria cannot reach the ventricles.
Artificial Pacemaker Rhythm
70 bpm
a P wave before QRS is absent
Lead
is a glimpse of electrical activity of the heart from a certain angle.
When does hand washing happen?
-before touching a patient, before clean/aseptic procedure, after body fluid exposure risk, after touching a patient, and after touching patient surroundings.
Biohazard waste
needles, bandages, or other contaminated with blood or other bodily fluids that can transmit disease
Types of Biohazard Waste:Human blood and blood products
serum, plasma, etc
Types of Biohazard Waste:Pathological Waste
all human tissues, organs, and body parts
Types of Biohazard Waste: Microbiological Wastes
contaminated with concentrated forms of infectious agents
More types of biohazard waste is…
animal waste and recombinant DNA & RNA
Sharps
are medical equipment that can cut or puncture the skin, needles, syringes, and razors.
Not sharp waste
gloves, paper towels, lab glass, and petri dishes.
Autoclave Sterilization
special chemicals to the sharps in order to kill the microorganisms that may cause disease.
Personal Protection Equipment(PPE)
is equipment worn to minimize exposure to hazards that cause serious workplace injuries and illnesses(ex.gloves, earplugs, full body suit, etc)
Donning(Putting on)
-Identify and gather the proper PPE to don.
-Perform hand hygiene using hand sanitizer.
-Put on isolation gown
-Put on face shield or goggles
-Put on gloves and then healthcare personnel enter patient room.
Doffing(taking off)
-Remove gloves,-remove gown,-exit patient room,-perform hand hygiene,-remove face shield, remove and discard respirator,-facemask, perform hand hygiene after removing respirator
ACC
American college of radiology
AHA
American Heart Association
Level of Evidence(LOE)
estimates the certainty of treatment effect on patients and is classified as level A,B, or C.
COR l
is a strong recommendation that indicating established usefulness and effectiveness
COR lla
is moderate recommendation where benefit likely outweighs risk.
COR llb
is a weak recommendation where benefit is less certain.
COR lll
is an action not recommended due to lack of benefit or potential harm.