20 results
Shock Types and Classification
DISTRIBUTIVE 66%
 • Sepsis/SIRS, anaphylaxis, adrenal insufficiency, liver failure, toxins, spinal/neurogenic
 • Warm
Shock Types and ... CARDIOGENIC 16% • MI ... OBSTRUCTIVE 2% • PE ... Cold and Dry #Shock
Bedside Classification of Shock

Hypovolemic shock 

- Vomiting, diarrhea, overdiuresis 

- Hemorrhage (GI, peritoneal, RP) 

Distributive shock
Classification of Shock ... Hypovolemic shock ... - Septic shock ... RV failure - PE ... Endocarditis - Post-MI
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... acute, massive MI ... lungs: massive PE
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
Undifferentiated Shock ... OnePager Summary Shock ... ), RV Failure (PE ... ), LV Failure (MI ... Valves (wide open MR
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... failure, acute MI ... tamponade, Vascular → PE ... findings based on cause ... uw_IMresidency #Shock
Pulmonary Embolism - Risk Stratification and Prognostication based on scores and clinical features

 • Bova score
score (30-day PE-related ... class (30-day all cause ... Transient Hypotension, Shock
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Shock Overview ... of hypotension Shock ... O2 delivery • MI ... O2 delivery • PE ... #differential #causes
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Shock Overview ... of hypotension Shock ... O2 delivery • MI ... O2 delivery • PE ... #differential #causes
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
Shock - Diagnosis ... possible w/ early shock ... • Obstructive Shock ... Pulmonary >> Acute PE ... - MI, arrhythmia
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... a.k.a. neurogenic shock ... contractility) - Acute MI ... exacerbation (any cause ... DrEricStrong #Shock