Use of Vasopressors and Ionotropes UCI Internal Medicine Mini Lecture Series June 2014 Discuss physiology of vasopressors and ionotropes Discuss types of vasopressors and ionotropes Apply vasopressors and ID: 763110
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Use of Vasopressors and Ionotropes UCI Internal Medicine Mini Lecture Series June 2014
Discuss physiology of vasopressors and ionotropes Discuss types of vasopressors and ionotropesApply vasopressors and ionotropic agents in clinical scenarios Objective
Vasopressor: an agent that causes vasoconstriction and increases mean arterial pressureTypes: alpha adrenergic, beta adrenergic, dopamine Ionotrope : an agent that alters the force or energy of muscle contractions (increases cardiac contractility)Vasopressors vs Ionotropes
Physiology of Vasopressors and I onotropes
Vasopressors and Ionotropes
Hyperdynamic septic shock 1 st line: norepinephrine2nd line: epinephrine Vasopressin may also be added Phenylephrine may be used to pts with tachyarrythmias Emergent situation when central line not placed yet Dopamine Choice of Vasopressor U se
Anapylactic shockEpinephrine Cardiogenic shock 1st line: norepinephrine2nd agent: dobutamine Hypotension following CABG Epinephrine Choice of Vasopressor use
An 83 year old male with HTN and DM presents to the ED for weakness and cough x 5 days. Vitals are as follows: T 39.4, BP 65/32, P 122. CXR shows right middle lobe consolidation. WBC is 22.and lactic acid is is 7.2. He is treated with IV abx and 5 L of NS. Blood pressure is 71/42. A right internal jugular line is placed. Which of the following agents do you use to treat this patient? Vasopressin Dobutamine Norepinephrine Dopamine Question 1
An 83 year old male with HTN and DM presents to the ED for weakness and cough x 5 days. Vitals are as follows: T 39.4, BP 65/32, P 122. CXR shows right middle lobe consolidation. WBC is 22.and lactic acid is is 7.2. He is treated with IV abx and 5 L of NS. Blood pressure is 71/42. A right internal jugular line is placed. Which of the following agents do you use to treat this patient?Vasopressin Dobutamine Norepinephrine Dopamine Answer
A 42 year old male with history of hypertension and diabetes type 1 presents to the hospital for crushing substernal chest pain radiating to his left arm. Troponin is 2.6. EKG shows ST elevations in leads II, III, aVF. Blood pressure is 78/30. Which of the following options has the best combination of pressors to use in this patient? Dobutamine and levophed Phenylephrine and epinephrine Dobutamine and vasopressin Levophed and dopamine Question 2
A 42 year old male with history of hypertension and diabetes type 1 presents to the hospital for crushing substernal chest pain radiating to his left arm. Troponin is 2.6. EKG shows ST elevations in leads II, III, aVF. Blood pressure is 78/30. Which of the following options has the best combination of pressors to use in this patient? Dobutamine and levophed Phenylephrine and epinephrine Dobutamine and vasopressin Levophed and dopamine Answer
A 21 year old female with no significant past medical history presents to the ED with severe shortness of breath and weakness after eating peanut butter cookies. Her vitals are as follows: BP 82/40, R 30, O2 82%, HR 110. Which of the following agents do you treat her with? Dobutamine Vasopressin Epinephrine Phenylephrine Question 3
A 21 year old female with no significant past medical history presents to the ED with severe shortness of breath and weakness after eating peanut butter cookies. Her vitals are as follows: BP 82/40, R 30, O2 82%, HR 110. Which of the following agents do you treat her with? Dobutamine Vasopressin Epinephrine Phenylephrine Answer
A 62 year old female is admitted to the Medicine floors with sepsis secondary to UTI. She is being treated with IV antibiotics. Her Blood pressures all day have ranged from 60s-80s/40s-50s. She has received a total of 6L of fluid since admission yesterday and now needs pressor support as she is being transported to the ICU. She does not have a central line in place and it will take some time before it is placed. Which is the best agent to use? Dopamine Vasopressin Dobutamine Epinephrine Question 4
A 62 year old female is admitted to the Medicine floors with sepsis secondary to UTI. She is being treated with IV antibiotics. Her Blood pressures all day have ranged from 60s-80s/40s-50s. She has received a total of 6L of fluid since admission yesterday and now needs pressor support as she is being transported to the ICU. She does not have a central line in place and it will take some time before it is placed. Which is the best agent to use? Dopamine Vasopressin Dobutamine Epinephrine Answer
Vasopressors should be chosen based on their mechanism of actionNorepinephrine is first line for septic shock and cardiogenic shock Dobutamine is an ionotropic agent that is used for cardiogenic shockEpinephrine, phenylephrine, dopamine and vasopressin are other pressors that are routinely used in shock Summary