Resistance heart must overcome to eject blood is known as ______.
Afterload = Systemic vascular resistance
Preload = Stretch during filling, ready to pump.
What’s considered a normal ejection fraction?
50-65%
True or False:
Preload = Systolic BP.
False
Afterload is equal to systolic BP.
Dispensability (Pressure) x Volume = ______
Compliance
By what percentage does stroke volume increase in a normal person during exercise?
50%
True or False:
Lyme disease manifests with varying degrees of conduction block.
True
True or False:
Conduction block respondent to Lyme disease is typically permanent.
False
Normally reversible within 4 weeks.
True or False:
Approximately 10% of Lyme disease patients present with cardiac abnormalities.
False
Approximately 5% of Lyme disease patients.
True or False:
In up to 1% of patients with Lyme disease, complete heart block can develop.
True
Which type of parasite is commonly responsible for transmitting Lyme disease to humans
Ticks
Fill in the blank:
Chagas Disease has a long latency period of approximately _____ years before cardiac presentation as cardiomyopathy.
10-20 years
True or False:
Acute heart infection respondent to Chagas lasts approximately 10-20 wks.
False
Heart infection lasts approximately 4-8 wks.
True or False:
Chagas is prevalent in Central and South America.
True
By what other names is the Assassin Bug known and what is its significance with respect to cardiology?
Triatominae or Kissing bug - spreads Chagas disease.
What anatomical structures combine to make the 3 sides of Triangle of Koch.
Cardiac Output is the product of what two components?
Heart Rate and Stroke Volume.
CO = HR x SV
Blood pressure is the product of what two components?
Cardiac Output and Peripheral Vascular Resistance.
BP = CO x PR
Minute ventilation is the product of what two components?
Respiratory Rate and Tidal Volume.
MV = RR x TV