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Inadequate Tissue Perfusion & Impaired Oxygen Delivery Overview
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Inadequate Tissue Perfusion & Impaired Oxygen Delivery Overview

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Questions and Answers

Which treatment is recommended for Tension Pneumothorax in EMS?

  • Needle T (correct)
  • NS boluses
  • Epi @ Benadryl
  • Blood products
  • What is a symptom of Compensated shock?

  • RR fast
  • HR bounding +3
  • Weakness
  • SPO2 WNL (correct)
  • In the context of Irreversible shock, what skin condition may be observed?

  • Warm and moist
  • Red and dry
  • Cool and clammy
  • Dusk or pale, extremities cold (correct)
  • Which stage of shock is characterized by a pulse pressure of 30-40?

    <p>Stage III</p> Signup and view all the answers

    What is a common symptom of Decompensated shock?

    <p>Anxious, Confused</p> Signup and view all the answers

    In the context of shock, what is the effect on the blood shunting towards the lungs?

    <p>Lungs shunt blood</p> Signup and view all the answers

    Which condition does not respond to resuscitation efforts according to the text?

    <p>&quot;PEA&quot;</p> Signup and view all the answers

    What is the main clinical syndrome resulting from inadequate tissue perfusion?

    <p>Hypoperfusion</p> Signup and view all the answers

    Which process involves shunting of blood bypassing capillary exchange beds?

    <p>Hypoperfusion</p> Signup and view all the answers

    What may lead to increases in CO2 and Lactate blood levels in areas of Hypoperfusion?

    <p>Severe shock</p> Signup and view all the answers

    Which condition results in a negative Base deficit (-2 - +2)?

    <p>Metabolic Acidosis</p> Signup and view all the answers

    What process involves the release of potent inflammatory processes leading to vasodilation?

    <p>Severe shock</p> Signup and view all the answers

    Which situation may lead to an increase in inflammatory process and clotting cascade in areas of Hypoperfusion?

    <p>Trauma</p> Signup and view all the answers

    What is the main metabolic process that increases Lactate blood levels during Hypoperfusion?

    <p>Anaerobic metabolism</p> Signup and view all the answers

    Which cellular response is activated by endothelial cell damage in areas of Hypoperfusion?

    <p>Increase in WBCs</p> Signup and view all the answers

    'Shock' releases a catastrophic cascade of events involving pumps, pipes, fluids, and electrical disturbances. What is the first step in managing this cascade?

    <p>Identify the etiology</p> Signup and view all the answers

    Which of the following is the correct range for the pulmonary vascular resistance (PVR) in the given information?

    <p>20-120 dynes/sec/cm^-5</p> Signup and view all the answers

    What is the primary function of antidiuretic hormone (ADH) in the context of blood pressure regulation?

    <p>Uptake of water in the kidneys</p> Signup and view all the answers

    Which of the following is NOT a type of shock listed in the given information?

    <p>Hemorrhagic</p> Signup and view all the answers

    Which of the following is the correct range for the mean arterial pressure (MAP) according to the given information?

    <p>60-100 mmHg</p> Signup and view all the answers

    Which of the following hormones is primarily responsible for the activation of the renin-angiotensin-aldosterone system (RAAS) in response to low blood pressure?

    <p>Renin</p> Signup and view all the answers

    What is the primary function of the sympathetic nervous system in the context of blood pressure regulation?

    <p>Vasoconstriction and increased heart rate</p> Signup and view all the answers

    Which of the following is the correct range for the pulmonary artery pressure (PAP) according to the given information?

    <p>15-25 mmHg</p> Signup and view all the answers

    Which of the following is NOT a therapeutic intervention mentioned in the given information for managing low afterload?

    <p>Furosemide</p> Signup and view all the answers

    What is the primary function of the electrical impulse in the cardiac cycle, as represented by the SAC and DPF phases?

    <p>Cardiac contraction and relaxation</p> Signup and view all the answers

    What is the most common cause of neurogenic shock?

    <p>Injury to head or spinal cord (above T6)</p> Signup and view all the answers

    Which of the following is a characteristic of anaphylactic shock?

    <p>Body exposed to a substance that produces a severe allergic reaction</p> Signup and view all the answers

    What is the primary function of antidiuretic hormone (ADH) in the context of blood pressure regulation?

    <p>To increase water reabsorption in the kidneys</p> Signup and view all the answers

    Which of the following is NOT a type of generalized vasodilation shock listed in the text?

    <p>Cardiogenic shock</p> Signup and view all the answers

    Which of the following is the correct range for the mean arterial pressure (MAP) according to the given information?

    <p>$60-90$ mmHg</p> Signup and view all the answers

    What is the primary function of the sympathetic nervous system in the context of blood pressure regulation?

    <p>To increase cardiac output</p> Signup and view all the answers

    Which of the following is the correct range for the pulmonary artery pressure (PAP) according to the given information?

    <p>$15-25$ mmHg</p> Signup and view all the answers

    Which of the following is NOT a therapeutic intervention mentioned in the given information for managing low afterload?

    <p>Mechanical ventilation</p> Signup and view all the answers

    Which of the following is the correct range for the pulmonary vascular resistance (PVR) in the given information?

    <p>$0.5-2.5$ Wood units</p> Signup and view all the answers

    What is the main metabolic process that increases Lactate blood levels during Hypoperfusion?

    <p>Anaerobic glycolysis</p> Signup and view all the answers

    What is a common cause of Neurogenic shock, as described in the text?

    <p>Ingestion of barbiturates or phenothiazines</p> Signup and view all the answers

    Which physical finding is associated with Cardiac Tamponade, according to the text?

    <p>Affected breath sounds</p> Signup and view all the answers

    What is the primary problem in Dissociative shock, according to the text?

    <p>Container abnormalities</p> Signup and view all the answers

    What action is recommended for manual C-spine stabilization in patients with Spinal Shock?

    <p>Administer IV fluids</p> Signup and view all the answers

    Which condition results in ventilation/perfusion mismatch, based on the information provided?

    <p>Massive Pulmonary Embolism</p> Signup and view all the answers

    What is an essential characteristic of Shock as described in the text?

    <p>Loss of sympathetic tone below injury</p> Signup and view all the answers

    What is the effect of excess fluid in the pericardial sac on the heart in Cardiac Tamponade?

    <p>Impairs heart's ability to contract</p> Signup and view all the answers

    What physical sign is indicative of Tension Pneumothorax, based on the information provided?

    <p>Muffled heart tones</p> Signup and view all the answers

    What characteristic describes Neurogenic shock based on the text?

    <p>Vasodilation happens below the injury level</p> Signup and view all the answers

    What is a common symptom associated with Tension Hemothorax as per the information provided?

    <p>Hypotension and tachypnea</p> Signup and view all the answers

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