HF - Pathology Flashcards
Average normal central venous pressure
6mm Hg
Average normal LVEDP
10mm Hg
Average normal LVEDV
150mL
Average normal SV
100mL
Normal Ejection Fracture
67%
LVEDP, LVEDV, SV, EF, LVESF in failing heart? (increases or decreases)
LVEDP increases, LVEDV increases, SV decreases, EF decreases, LVESV increases
Initial symptom of heart failure
dyspnea with exertion
Most heart failure patients are right fail, left fail, or both fail?
both
Threshold for heart failure- when symptoms begin
25% reduction in forward stroke volume
Surgical emergency associated with HF
severe acute uncompensated aortic regurg
Mitral valve regurg… cause or effect of HF?
can be either
Mitral regurg causes heart murmur during?
systole
Mitral stenosis causes heart murmur during
diastole
aortic regurg causes heart murmur during
diastole
aortic stenosis causes heart murmur during
systole
Left heart failure symptoms
- dyspnea on exertion, progressing to dyspnea at rest 2. Orthopnea 3. PND (paroxysmal nocturnal dyspnea) 4. Fatigue
Right heart failure symptoms
- Edema of feet, then ankles, then legs 2. Abdominal distention
Left heart failure signs
- bibasilar pulmonary crackles 2. Tachycardia 3. S3 4. Pedal, ankle, or leg edema
Right heart failure signs
- Pedal, ankle, or leg edema 2. JVD 3. Hepatomegaly 4. Ascites
Pulmonary capillary pressure that causes interstitial pulmonary edema
20mm Hg
Pulmonary capillary pressure that causes alveolar pulmonary edema
25 mm Hg
What other pathologic conditions can cause acute lung injury and pulmonary edema
septic shock and hemorrhagic shock
Septic shock has what pulmonary capillary pressure
normal
Hemorrhagic shock has what pulmonary capillary pressure
low