what type of shock is this? 68 yo m with hx of htn and dm presents to the er with abrupt onset of...
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What Type of Shock is This?
• 68 yo M with hx of HTN and DM presents to the ER with abrupt onset of diffuse abdominal pain with radiation to his low back. The pt is hypotensive, tachycardic, afebrile, with cool but dry skin
Types of Shock• Hypovolemic• Septic• Cardiogenic • Anaphylactic• Neurogenic • Obstructive
Hypovolemic Shock
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Hypovolemic Shock• ABCs• Establish 2 large bore IVs or a central line• Crystalloids
• Normal Saline or Lactate Ringers• Up to 3 liters
• PRBCs• O negative or cross matched
• Control, if any bleeding• Arrange definitive treatment
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What Type of Shock is This?• An 81 yo F resident of
a nursing home presents to the ED with altered mental status. She is febrile to 39.40C, hypotensive with a widened pulse pressure, tachycardia, with warm extremities
Types of Shock• Hypovolemic• Septic• Cardiogenic • Anaphylactic• Neurogenic • Obstructive
Septic
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Sepsis
• Two or more of SIRS criteria• Temp > 380C or < 360C• HR > 90 beats /min• RR > 20 /min• WBC > 12,000 or < 4,000 / mm3
• Plus the presumed existence of infection• Blood pressure can be normal!
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Treatment of Septic Shock
• 2 large bore IVs• NS IVF bolus- 1-2 L wide open (if no
contraindications) • Supplemental oxygen• Empiric antibiotics, based on suspected
source, as soon as possible
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Persistent Hypotension
• If no response after 2-3 L IVF, start a vasopressor (norepinephrine, dopamine, etc) and titrate to effect
• Goal: MAP > 60• Consider adrenal insufficiency:
hydrocortisone 100 mg IV
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What Type of Shock is This?• A 55 yo M with hx
of HTN, DM presents with “crushing” sub sternal Chest Pain, diaphoresis, hypotension, tachycardia and cool, clammy extremities
Types of Shock• Hypovolemic• Septic• Cardiogenic • Anaphylactic• Neurogenic • Obstructive
Cardiogenic
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Cardiogenic Shock
• Signs:• Cool, mottled skin• Tachypnea • Hypotension• Altered mental status• Narrowed pulse
pressure• Rales, murmur
• Defined as:• SBP < 90 mmHg• CI < 2.2 L/m/m2
• PCWP > 18 mmHg
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Ancillary Tests
• ECG• Chest X-Ray• CBC, Chemistry , cardiac enzymes, coagulation
studies• Echocardiogram
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Treatment of Cardiogenic Shock• Goals- Airway stability and improving
myocardial pump function
• Cardiac monitor, pulse oximetry
• Supplemental oxygen, IV access
• Intubation may decrease preload and result in hypotension • Be prepared to give fluid bolus
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What Type of Shock is This?• A 34 yo F presents to
the ER after dining at a restaurant where shortly after eating the first few bites of her meal, became anxious, diaphoretic, began wheezing, noted diffuse pruritic rash, nausea, and a sensation of her “throat closing off”. She is currently hypotensive, tachycardic and ill appearing.
Types of Shock• Hypovolemic• Septic• Cardiogenic • Anaphylactic• Neurogenic • Obstructive
Anaphylactic
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Anaphylactic Shock- Diagnosis
• Clinical diagnosis• Defined by airway compromise,
hypotension, or involvement of cutaneous, respiratory, or GI systems
• Look for exposure to drug, food, or insect• Labs have no role
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• ABC’s• Angioedema and respiratory compromise require
immediate intubation• IV line , cardiac monitor, pulse oximetry• IVFs, oxygen• Epinephrine• Second line
• Corticosteriods• H1 and H2 blockers
Anaphylactic Shock- Treatment
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What Type of Shock is This?
• A 41 yo M presents to the ER after an RTA complaining of decreased sensation below his waist and is now hypotensive, bradycardic, with warm extremities
Types of Shock• Hypovolemic• Septic• Cardiogenic • Anaphylactic• Neurogenic • Obstructive
Neurogenic
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• A,B,Cs• Remember c-spine precautions
• Fluid resuscitation• Keep MAP at 85-90 mm Hg • If crystalloid is insufficient use vasopressors
• Search for other causes of hypotension• For bradycardia
• Atropine• Pacemaker
Neurogenic Shock- Treatment
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What Type of Shock is This?• A 24 yo M presents
to the ED after an RTA c/o chest pain and difficulty breathing. On Physical examination, you note the patient to be tachycardic, hypotensive, hypoxic, and with decreased breath sounds on left
Types of Shock• Hypovolemic• Septic• Cardiogenic • Anaphylactic• Neurogenic • Obstructive
Obstructive
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http://
ccmtutorials.com/scenarios/Shock/index.htmA great website
Dr.Kaukb used a lot of the cases from this site
Check it out
All the best