REBEL EM Useful Critical Care/ICU Stuff

I have started to split my time between the ED and ICU.  Obviously these two areas of clinical care have their similarities, but also have their differences. So I decided to create this post to put things that I have found useful and recurrently coming back to when on my critical care time.  This is not meant to be an EBM based post, but rather a clinical post of useful critical care/ICU information.  I will continue to add to this post as I spend more time in the ICU and hopefully this becomes a nice repository of information for others.

Vaso/InoPressors

  • Milrinone 0.125-0.75 mcg/kg/min
  • Isoproteronol 2-10 mcg/min
  • Dobutamine 2-20 mcg/kg/min
  • Epinephrine 0.01-0.1 mcg/kg/min
  • Norepinephrine 0.01-1 mcg/kg/min
  • Phenylephrine 0.1-1.0 mcg/kg/min
  • Vasopressin 0.01-0.06 U/min

Antiarrhythmics

  • Amiodarone 150mg bolus followed by 1mg/min x6hrs, then 0.5mg/min x18hrs
  • Digoxin 250mcg IV q2hrs x3, then 125 to 375mcg qday
  • Esmolol 500mcg/kg IV bolus, then 50mcg/kg/min (titrate by 50mcg/kg/min q5min)(Max dose 200mcg/kg/min)
  • Procainamide 10 – 20mg/kg IV bolus over 20min, then 1 to 4mg/min
  • Lidocaine 1mg/kg (50 to 100mg) IV over 2 – 4 min, then 1 – 4mg/min

Sedation:

  • Ketamine 0.5 – 2mg/kg IV bolus, then 0.05 – 0.4mg/kg/hr
  • Dexmedetomidine 0.2 – 1.4mcg/kg/hr
  • Propofol 0.5 – 1mg/kg IV bolus, then 5 to 80mcg/kg/min

Paralytic Infusions

  • Vecuronium
    • Bolus: 0.1mg/kg
    • Infusion: 1mcg/kg/min adjust dose by 0.3 mcg/kg/min q15 minutes (MAX Dose 1.7mcg/kg/min)
  • Cisatracurium
    • Bolus: 0.2mg/kg
    • Infusion: 1 mcg/kg/min, adjust dose by 0.5 mcg/kg/min q 15 minutes (MAX Dose 10mcg/kg/min)

Options to Reduce Pulmonary Vascular Resistance in RV Failure

  • Esoprostenol 0.05mcg/kg/min
  • iNO 20 – 40ppm
  • Alternative Options
    • Inhaled Milrinone (1mg/1mL) 5mg over 15min
    • Inhaled NTG (1mg/1mL) 5mg over 15min

Things to Consider Prior to Extubation

  • RSBI <100 = RR/TV (Liters)
  • MV <10 = RR x TV
  • Pick up Head
  • PEEP <8
  • FiO2 <50%
  • PaO2 >60
  • Cough
    Follow Commands
  • Low Secretions
  • Cuff Leak

Anticoagulation

  • Bivalirudin
    • Half-Life = 25min (with normal renal function)
    • Mechanism of Action = Direct Thrombin Inhibition
    • Protein Binding = None
    • Metabolism/Excretion = Combo of proteolytic cleavage + Renal
    • Monitor with PTT level
    • No Antidote BUT short half life (back to baseline coagulation at ≈1hr)
    • No risk of HIT
  • Argatroban
    • Half-Life = 45min (with normal liver function)
    • Mechanism of Action = Direct Thrombin Inhibition
    • Protein Binding = 20% albumin/30% alpha-acid glycoprotein
    • Metabolism/Excretion = Liver
    • Monitor with PTT level
    • No Antidote BUT back to baseline coagulation at 2 – 4hrs
    • No risk of HIT

Cardiac Indices:

  • NORMAL
    • CO = 4 – 8L/min
    • CI = 2.5 – 4.2L/min/m2
    • SVR = 900 – 1600 dynes/sec/cm-5
    • PCWP = 6 – 12mmHg
  • HYPOVOLEMIC
    • Decreased CO + PWP + CVP
    • Increased SVR
  • CARDIOGENIC
    • Increased SVR + PWP + CVP
    • Decreased CO
  • DISTRIBUTIVE
    • Decreased SVR + PWP + CVP
    • Increased CO

Invasive Mechanical Ventilation

Cite this article as: Salim Rezaie, "REBEL EM Useful Critical Care/ICU Stuff", REBEL EM blog, August 24, 2021. Available at: https://rebelem.com/rebel-em-useful-critical-care-icu-stuff/.
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Salim Rezaie

Emergency Physician at Greater San Antonio Emergency Physicians (GSEP)
Creator & Founder of REBEL EM

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