L2: Valvular Heart Diseases - MR Flashcards
1
Q
Def of MR
A
Means Inadequate competent closure of MV leaflets passage of blood from
- LV to LA during ventrcular systole
2
Q
Proper Closutre of MV Requires …..
A
3
Q
Pathophysiology of MR
A
4
Q
Etiology of MR
A
5
Q
Etiology of MR
- Acute
A
- Infective endocarditis
- Acute myocardial infarction
- Trauma
6
Q
Etiology of MR
- Chronic
A
- Chronic rheumatic heart disease
- Mitral valve prolapse
- Left ventricular dilatation
- Hypertrophic cardiomyopathy
- Degeneration of valves cusps
7
Q
Etiology of MR
- Mitral Valve Ring
A
8
Q
Etiology of MR
- Mitral Leaflets
A
9
Q
Etiology of MR
- Chorda Tendineae
A
10
Q
Etiology of MR
- Papillary Muscle Dysfunction
A
11
Q
Cardinal Symptom of Acute MR
A
- Acute MR presents a sudden volume overload to left atrium and left ventricle, the steep rise in pulmonary venous pressure often resulting in pulmonary oedema
12
Q
CP of MR
A
13
Q
CP of MR
- Acute
A
14
Q
CP of MR
- Chronic
A
15
Q
CP of MR
- Symptoms
A
16
Q
Symptoms of MR
- Chronic
A
17
Q
Symptoms of MR
- Acute
A
Present with Acute severe dysphoea or frank pulmonary oedema
18
Q
Signs of MR
A
19
Q
Signs of MR
- General
A
No characteristic abnormalities
- “BBC & Weak pulse”
20
Q
Signs of MR
- Precordial Ex
A
- Signs of LV hypertrophy in moderate and sever cases
- Systolic thrill over the apex
- Hyperdynamic Apex
21
Q
Signs of MR
- Auscultation
A
22
Q
Signs of MR
- S1
A
Weak or muffled
23
Q
Signs of MR
- S3
A
24
Q
Signs of MR
- Murmur
A
25
Complications of **MR**
26
INVx for **MR**
27
INVx for **MR**
- ECG
LAE & LVE
28
INVx for **MR**
- Plain X-Ray
- LAE & LVE
- PVC
29
INVx for **MR**
- ECHO
30
INVx for **MR**
- Cardiac Cathetrization
....
31
TTT of **MR**
32
TTT of **MR**
- Acute MR
33
TTT of **MR**
- Chronic MR
34
TTT of **Chronic MR**
35
TTT of **Chronic MR**
- Medical
36
37
TTT of **Chronic MR**
- Surgical
38
Surgical TTT of **Chronic MR**
- Indication
Surgery is indicated for severe MR producing:
- Progressive symptoms refractory to medial treatment.
- Progressive cardiomegaly.
- Declining LV function
39
Surgical TTT of **Chronic MR**
- Consists of
