I Heart You
Put these things in order: Left atrium, lungs, Right ventricle, aorta, Right atrium, Left ventricle, pulmonary artery, systemic vessels
Right atrium > Right ventricle > pulmonary artery > Lungs > Left atrium > Left ventricle > aorta > systemic vessels
How is hypertrophy usually discovered in a patient?
Chest x-ray
Nitroglycerin is a
Vasodilator
What does the P wave represent?
Atrial depolarization
What is the formula for cardiac output?
CO = HR X SV
Which two electrolyte labs are usually responsible for dysrhythmias?
Potassium & mag
What is the formula for MAP?
MAP = 2(DBP) + SBP/3
Metoprolol is what type of drug?
Beta blocker
What does the QRS complex represent?
Ventricle depolarization
What do pump, volume, & squeeze refer to?
Contractility, preload, & after load
The resistance the Left ventricle must pump against is known as what?
Systemic vascular resistance (SVR)
Describe pathophysiology of pulmonary hypertension & how it relates to heart failure
Pulmonary hypertension is when the vessels in the lungs get overloaded usually caused by Left sided heart failure and a backup of blood into the lungs.
What does the term "inotrope" mean?
Strength and speed of pump
Which two lead views would reveal an inferior MI?
Lead II and aVF
What is JVD (Jugular Venous Distention)?
Distended R IJ usually from R sided heart failure or volume overload or pulmonary hypertension
Which valve is most at risk for endocarditis?
Mitral valve
Which dysrhythmia is usually responsible for dilated cardiomyopathy?
A fib
Dilatiazem is a
Calcium channel blocker
A block in leads V1 and V2 is which type of block?
RBBB
Ejection Fraction should be above what percent?
50%
Normal is 65%
<25% is deadly
Hyperkalemia causes ________ contractility of the heart
Decreased
Hypomagnesemia can lead to which deadly rhythm?
Torsades de pointes
Digoxin is a
positive inotrope
Tall peaked T waves on an EKG is most indicative of what?
Hyperkalemia
Alpha receptors are found in the:
Arteries