Where is the heart located?
Located in the mediastinum.
What are the dimensions of the heart?
Approximately 12(length)x9(width)x6(height) cm, the size of a closed fist
Average heart mass in adult females
250 g
Average heart mass in adult males
300 g
What is the systolic pressure in the right ventricle?
25 mmHg
What is the diastolic pressure in the right ventricle?
10 mmHg
What is the systolic pressure in the left ventricle?
120 mmHg
What is the diastolic pressure in the left ventricle?
80 mmHg
Right Atrium (Rt.A) thickness
~2 – 3 mm
Left Atrium (Lt.A) thickness
~2 – 3 mm
Left Ventricle (Lt.V) thickness
~10 – 15 mm
Right Ventricle ( Rt.V ) thickness
~4 – 5 mm
What are capacitance vessels
Veins
What is the heart rate threshold for bradycardia?
<60 beats per minute.
What is the heart rate threshold for tachycardia?
>100 beats per minute.