- Shuffle
Toggle OnToggle Off
- Alphabetize
Toggle OnToggle Off
- Front First
Toggle OnToggle Off
- Both Sides
Toggle OnToggle Off
Front
How to study your flashcards.
Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key
Up/Down arrow keys: Flip the card between the front and back.down keyup key
H key: Show hint (3rd side).h key
PLAY BUTTON
PLAY BUTTON
5 Cards in this Set
- Front
- Back
|
What kind of process is Diastology?
|
Diastolic function is an active, energy dependent process
|
|
What happens in Systole? (on a chemical intracellular level?)
|
Systole-
influx of Ca++ ions binding to Troponin-C, allowing actin and myosin interaction |
|
What happens in Diastole? (on a chemical intracellular level?)
|
Diastole-
Removal of Ca++ions from Troponin-C by enzyme SERCA₂ inhibiting actin and myocin interaction |
|
What is Diastolic Dysfunction?
|
Failure of SERCA₂ reuptake of Ca++:
Slowing of myocardial relaxation Calcium levels do not return to normal diastolic levels Diastolic Ca++ overload Excessive diastolic tension and stiffness |
|
What are some clinical S/Sx of Diast Dysfxn?
|
DOE, Orthopnea, Crackles, Paroxysmal Nocturnal Dyspnea, Displaced Apical pulse, S3 & S4 extra heart sounds, JVD
|
