Deoxygenated blood returns to the _____ via the SVC/IVC
right atrium
Stroke Volume is defined as
the difference between EDV and ESV (SV=EDV-ESV)
Hypertension is defined as a BP greater than
120/80
The most anterior and posterior parts of the heart
Right Atrium (anterior) and Left atrium (posterior)
P wave represents
depolarization of the atria
The most common side of right-sided HF
Left-sided HF
Layers of the pericardium include the:
3 Layers from outer to inner:
Fibrous, parietal, and visceral (epicardium) pericardium
Role of B1 receptors on the heart
B1 receptors found on SA and AV nodes lead to increased HR and contractility
Troponin levels rise ____ hrs after infarction and peak at _____ hrs
rise 2-4 hrs after infarction and peak at 24 hours
Regarding coronary circulation, blood from the _____ drains into the right atrium
Coronary sinus
Preload is determined by the
EDV
The most common primary cardiac tumor in adults is a
The anterior 2/3 of the interventricular septum is supplied by
Left anterior descending artery (and its branches)
Phase 3 of the cardiac myocyte action potential involves closure of what channels?
______ results when the tricuspid valve orifice fails to develop
Tricuspid atresia