ABG INTERPRETATION
JEOPARDY RC142
1. INTERPRET THIS ABG PH7.21, PACO2 56, HCO3 28, PAO2 90 ?
ANSWER: PARTIALLY COMPENSATED RESPIRATORY ACIDOSIS WITH NORMAL OXYGENATION.
What are the four types of Analyzing mechanisms?
PH measuring, PH reference, PACO2 electrode, PAO2 electrode
What is the definition of afterload?
Resistance, which ventricles must pump against to eject blood.
. What is this rhythm Looks like NSR, but the rate is <60 bpm SA node fires slower than normal SA node fires slower than normal.
Sinus bradycardia
A portion of the conduction system or myocardium becomes diseased Impulses come from irritable spots in ventricles what is this rhythm?
Premature Ventricular Complex (PVC)
What would make an ABG value fully compensated?
Answer: PH in Range
. what is the Pao2 electrode also known as?
Clark electrode
. What is the definition of Dromotropic Effect
Change in speed of conduction through AV junction
Name all the sinus Rhythms?
Normal sinus, sinus Bradycardia, Sinus Tachycardia, Sinus arrhythmia. Sinus exit block, sinus arrest.
A patient is in Vtach and is constantly changing QRS and it appears to be twisted helix what is the name of this EKG?
Torsades de pointes
Interpret this ABG you have a high pH and low Paco2 and Elevated Hco3.
Answer: Mixed Alkalosis
What is a PCO2 electrode known as?
: Severinghaus electrode
. Name all the great vessels?
Answer: pulmonary arteries, pulmonary veins, aorta, svc, ivc
If the SA node does not fire where do all the beats come from
AV Junction
Name a type of PVCS ?
Bigeminy
What are three causes of toxic metabolic acidosis ?
liver Failure, fever, sepsis
What is the PH reference electrode known as?
Sanz electrode
what is the definition of preload?
Force exerted by blood on ventricle walls at end diastole
what is the rate of Junctional tachycardia?
>100 BPM
Vfib can be either coarse or ?
amplitude >3mm
What does the Right shift of the curve indicate?
Answer: Acidosis
10. what are some causes of Histotoxic Hypoxia ?
: Cyanide poisoning, poison gas attack, Toxic chemical, Alcohol
where is the ventricles located ?
: Lower chamber of the heart
Name one cause of Accelerated junctional
Answer: Hypoxia, increased sympathetic activity
true or false Asistole is one of the rhythms that can be shocked
FALSE