Electric
What does the P wave represent?
What is atrial depolarization
Describe NSR
What is a rate of 60-100 w/ PQRST present
What lab indicates cardiac ischemia/stress?
What is troponin
What is an MI?
What is an imbalance in myocardial oxygen supply and demand
What is the time goal for an EKG?
What is <5-10 minutes
What does the QRS represent?
What is Ventricular depolarization
What differentiates A-fib and A-flutter?
What is the sawtooth pattern
What are the two types of troponin?
Troponin I (immediate) and T (up to two weeks)
What is the difference between STEMI and NSTEMI?
What is ST elevation
What is the first line treatment of angina?
What is nitroglycerin and aspirin
What does the QRS tell us?
How the ventricles are responding - wide = slow, narrow = normal
SVT generally has a rate >?
What is 160
What other labs are important in an emergent MI?
What is ABG, CBC, CMP, lactate, CRP, lipids, A1c
What change on an EKG shows an MI?
What is ST elevation in 2 leads
What is the goal of angina treatment?
What is to promote cardiac perfusion
How does electricity move through the heart?
What is beginning in the SA node, then to the AV node, and then the Perkinje fibers, and into the R and L bundle branches
Why is Vtach an unstable rhythm?
What is lack of diastolic filling (preload)
What is CK-MB?
What is cardiac specific creatinine kinase
How do women’s cardiac symptoms often differ from men?
What is N/V/flu like Sx
What is CABG?
What is a coronary artery bypass graft
What is a Q wave?
Representation of an old MI
What are the 5 questions of EKG interpretation?
Is there a PQRST? Does every P wave have a QRS? Does every QRS have a P wave? Is the PR interval .20 or less? Is the QRS less than .08 or less
High homocysteine is indicative of what?
Endothelial inflammation and cardiac risk
Where in the heart do many MI’s occur?
What is the LAD/L ventricle
What do thrombolytics do?
What is dissolve clots