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Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Shock Classification ... massive pericardial effusion ... tamponade, or tension ... Pulmonary embolism ... Tamponade: pericardial effusion
Shock - Differential Diagnosis Algorithm
Warm Extremities
 - Distributive Shock - Low JVP
Shock - Differential ... - Distributive Shock ... - Cardiogenic Shock ... Sounds • Pulmonary ... Embolism • Tension
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
Shock - Diagnosis ... Consider IL NS/LR infusion ... Setup - Ultrasound ... Tamponade - Pulmonary ... >> Acute PE, Tension
Hypotension / Shock Differential Diagnosis Algorithm
Hypovolemic:
 • Poor oral intake
 • Hemorrhage
 • Renal loss
 •
Hypotension / Shock ... valvulopathy • Pulmonary ... obstruction • Pulmonary ... • Neurogenic shock ... tamponade • Tension
Shock Types - Classification
State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
diminished tissue perfusion ... Cold and Dry) • Puimonary ... failure from massive pulmonary ... embolism or severe pulmonary ... ventricular filling) → tension
Clinical Management for Three Common Causes of Shock 
HEMORRHAGIC SHOCK
 • Ensure adequate ventilation and oxygenation.
Common Causes of Shock ... HEMORRHAGIC SHOCK ... CARDIOGENIC SHOCK ... pressure (PEEP) for pulmonary ... SEPTIC SHOCK
Shock Classification
Shock Definition: State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
diminished tissue perfusion ... Cold and Dry) • Pulmonary ... failure from massive pulmonary ... embolism or severe pulmonary ... ventricular filling) → tension
Right pleural effusion with "spine sign" seen beautifully by using large footprint curvilinear transducer on lung
Right pleural effusion ... Point of Care Ultrasound ... Lung #Pleural #Effusion ... #ultrasound #pulmonary
Severe Heart Failure & Cardiogenic Shock - Management Checklist 
Evaluation 
 - EKG & echocardiography
& Cardiogenic Shock ... function tests if shock ... edema - Large effusion ... nitroglycerine infusion ... (no B-lines on ultrasound
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... a.k.a. neurogenic shock ... flow) - Massive pulmonary ... tamponade - Tension ... DrEricStrong #Shock