Darrow - Shock Flashcards

1
Q

What happens to SVR, CO, and PCWP in hypovolemic shock?

A

Increased SVR to shunt blood to core

Decreased CO and PCWP

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2
Q

What happens to SVR, CO, and PCWP in cardiogenic shock?

A

Decreased CO

Increased PCWP and SVR

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3
Q

What happens to SVR, CO, and PCWP in distributive shock?

A

Increased CO

Decreased SVR and PCWP

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4
Q

What is the systolic blood pressure marker for shock?

A

SBP < 90mmHg

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5
Q

What is the mean arterial pressure marker for shock?

A

MAP <60-65mmHg

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6
Q

What is Beck’s Triad?

A

Evaluation for cardiac tamponade

JVD

Muffled heart sounds

Hypotension

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7
Q

What is SIRS?

A

Systemic Inflammatory Response Syndrome

Dysregulated inflammation related to various disorders

Same category as sepsis

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8
Q

What is the initial acid-base imbalance of SIRS?

A

Respiratory alkalosis due to hyperventillation

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9
Q

What are the criteria for SIRS?

A

HR >90bpm

VR >20/min

Temp >38.3C

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10
Q

What is the WBC criteria for SIRS?

A

>12,000 with >10% bands

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11
Q

When is a pt considered to be in sepsis?

A

When the pt has SIRS with the presence of bacteria

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12
Q

When is a pt considered to be in severe sepsis?

A

When the pt’s sepsis has begun to affect one or more organs systems.

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13
Q

When is a pt considered to be in septic shock?

A

When the pt has severe sepsis and is unable to maintain a MAP >60mmHg after fluid resuscitation

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14
Q

What is early goal-directed therapy for septic shock?

A

Give fluids to maintain CVP at 8-12mmHg

Give pressors as needed to maintain MAP at >65mmHg

Give Norepi first, then vasopressin

Maintain central venous O2

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