37. Cardiac output :- Flashcards

1
Q

Normal cardiac output =

Cardiac output =

A

177

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2
Q
CO = SV x HR 
Therefore 
CO is directly proportional to 
1. 
2.
A

177

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3
Q

Stroke volume depends on :-
1.
2.
3.

A

177

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4
Q

Preload is
Preload =

Frank starling law :-
Increase EDV =
Increase contraction =

A

177

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5
Q

Contractility :-
Contractility is directly proportional to :- CO

Afterload means :-
Afterload is inversely proportional to :-

A

178

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6
Q

Best marker
Preload :-
Afterload :-
Contractility:-

Contractility is phenomenon of :-
Positive inotropic drug like
Increase contractility lead to increase in :-

A

178

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7
Q

Measurement of cardiac output :-
FICKS principle
Amount of O2 consumption =,,,,,,,,,,,,,,,,,,,x,,,,,,,,,,,,,,
Blood flow is considered as :-
Therefore
CO :- ,,,,,,,,,,,,,,,,,/,,,,,,,,,,,,,,,,,

Cardiac index ratio :-
CIR :-
Normal CIR :-

A

178

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8
Q

Distribution of CO

  1. Liver :-
  2. Kidney :-
  3. Brain :-
  4. Skin :-
  5. Skeletal muscle :-
  6. Heart :-
A

178

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9
Q
Highest and lowest :- 
1. Blood flow ( mL/min);
     Highest :- 
     Lowest :- 
2. Blood flow ( ml/100g/min) 
     Highest :- 
     Lowest :- 
3. Arteriovenous O2 difference (ml/min) 
     Highest :- 
     Lowest :- 
4. O2 consumption ( ml/min ) 
5. O2 consumption(ml/100/min ) :- 
6. % of total CO :- 
7. % of total O2 consumption:-
A

176

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10
Q

Heart recovers % of CO
Heart has highest :-
Heart has highest :-

Coronary blood flow :-
During systole compression of :-
Left coronary flow occurs during :-
Layer of heart more prone to ischemia :-

A

179

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11
Q
Coronary Circulation -Regulation 
Nervous control:- 
Local factors :- 
Examples :- 
1. 
2. 
3. 
4. 
5. 
Myocordial O2 consumption directly proportional to:- 
1. 
2. 
3.
A

179

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12
Q

Postural Variation :-
Variation of CO with posture

  1. BP:-
  2. Venous return :-
  3. CO :-
  4. HR :-
  5. Central venous pressure :-
A

180

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13
Q
Shock 
Types :-
1. 
2. 
3. 
4. 
5.
A

180

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14
Q
Hypovolemic shock 
3 stages ;- 
1. 
2. 
3. 
Non progressive stage :- 
1. 
2. 
3. 

Progressive stage :-

Irreversible stage :-

A

181

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15
Q

Other types of shock
Neurogenic shock :-
Decrease in CO Due to :-
Fall in :-

A

181

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16
Q

Cardiogenic shock

A

182

17
Q
Anaphylactic shock :- 
Due to :- 
Histamine cause :-
1. 
2.
A

182

18
Q

Septic shock
In bacterial inf :-
Only shock to be characterised by :-

Increase in CO is seen in :-

A

182