Organ Perfusion and Shock Therapy Monitoring
Effective monitoring during shock therapy focuses on indicators that reflect how well vital organs are receiving blood flow. The best measure confirms adequate organ perfusion and assesses the success of treatment.
Evaluating Perfusion Monitoring Options
- Central Venous Pressure (CVP) and Pulmonary Wedge Pressure (PWP): These primarily reflect fluid status and cardiac preload, not directly organ perfusion adequacy.
- Restoring Blood Pressure/Pulse Vital Parameters: While essential, normal blood pressure doesn't always guarantee perfusion to all organs. Tissue perfusion can remain compromised despite a seemingly normal pressure reading.
- Urine Output: Kidneys are highly sensitive to blood flow changes. A decrease in urine output often signals reduced renal perfusion, indicating inadequate overall circulation and potential organ damage.
Urine Output as a Key Indicator
A sustained urine output of at least 0.5 mL/kg/hr is widely accepted as a sign of adequate kidney perfusion. Therefore, monitoring urine output is crucial for evaluating the effectiveness of resuscitation efforts in shock, confirming that vital organs are being adequately perfused.
Important Questions from Types of Shock & Treatment
Which of the following are correct in respect of Systemic Inflammatory Response Syndrome (SIRS)?
1. It is caused by the release of lipopolysaccharide endotoxin from dying $E. coli$ bacteria.
2. It is same as bacteraemia.
3. It results in Multiple Organ Dysfunction Syndrome (MODS).
4. White cell counts of more than $12\times10^9$/litre are present.
Select the answer using the code given below.
Distributive shock is described by which of the following patterns of cardio- vascular responses?
1. Vasodilation
2. Reduced resistance peripheral vascular
3. Inadequate 'afterload'
4. Low cardiac output
Select the correct answer using the code given below.
- The capillary refill time is prolonged in all types of shock EXCEPT:
- The following are features of hypovolemic shock except:
- Regarding haemorrhagic shock, which one of the following statements is correct?
