33 results
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
Shock - Pathophysiology ... Hypovolemic Shock ... #Shock #Pathophysiology ... #differential #diagnosis ... #algorithm #causes
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Diagnosis by Classification ... contractility) - Acute MI ... exacerbation (any cause ... #Differential #Diagnosis ... Classification #Table #CriticalCare
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Types - Pathophysiology ... in blood flow caused ... #Shock #Types #Pathophysiology ... #Comparison #criticalcare ... #diagnosis #classification
Shock Types and Classification
DISTRIBUTIVE 66%
 • Sepsis/SIRS, anaphylaxis, adrenal insufficiency, liver failure, toxins, spinal/neurogenic
 • Warm
Shock Types and ... CARDIOGENIC 16% • MI ... Cold and Dry #Shock ... Classification #diagnosis ... #differential #criticalcare
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
), LV Failure (MI ... Valves (wide open MR ... ), Neurogenic (SCI ... #diagnosis #differential ... guyton #curves #criticalcare
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
Shock - Diagnosis ... Setup - Ultrasound ... - MI, arrhythmia ... #Diagnosis #Management ... #Summary #criticalcare
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... Diagnosis Framework ... failure, acute MI ... findings based on cause ... table #comparison #criticalcare
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... disease - Renal ultrasound ... Duplex Doppler ultrasound ... CT or MRI scan of ... #Differential #Diagnosis
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
- Differential Diagnosis ... Algorithm Unilateral ... Audiogram - Perform MRI ... • Metabolic Causes ... #Algorithm #Causes
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Shock Overview ... O2 delivery • MI ... Classification #diagnosis ... management #Overview #criticalcare ... #differential #causes