369 results
The Death Spiral: Increased RV Afterload (Acute PE) 
#Pathophysiology #PE #PulmonaryEmbolism #Embolism #DeathSpiral #Shock #RVDysfunction #RebelEM
Afterload (Acute PE ... Pathophysiology #PE ... #DeathSpiral #Shock
Bedside Classification of Shock

Hypovolemic shock 

- Vomiting, diarrhea, overdiuresis 

- Hemorrhage (GI, peritoneal, RP) 

Distributive shock
Classification of Shock ... Hypovolemic shock ... Distributive shock ... - Septic shock ... RV failure - PE
Shock Types and Classification
DISTRIBUTIVE 66%
 • Sepsis/SIRS, anaphylaxis, adrenal insufficiency, liver failure, toxins, spinal/neurogenic
 • Warm
Shock Types and ... OBSTRUCTIVE 2% • PE ... Cold and Dry #Shock
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 ... • Hypovolemic Shock
Pulmonary Embolism - Risk Stratification and Prognostication based on scores and clinical features

 • Bova score
score (30-day PE-related ... Transient Hypotension, Shock
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
Undifferentiated Shock ... OnePager Summary Shock ... undifferentiated shock ... Shock can be broken ... ), RV Failure (PE
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Shock Overview ... of hypotension Shock ... Distributive Shock ... ) Cardiogenic Shock ... O2 delivery • PE
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Shock Overview ... of hypotension Shock ... Distributive Shock ... ) Cardiogenic Shock ... O2 delivery • PE
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... tamponade, Vascular → PE ... uw_IMresidency #Shock
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... • Massive PE