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Hemodynamic Clusters and Phenotypes

Deep dive into the 10 hemodynamic phenotypes across 4 clusters. Learn to differentiate between hypovolemic shock, distributive shock, cardiogenic shock, RV failure patterns, and obstructive causes using focused echocardiography.

3 hours4 modules

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Course Modules

1

Cluster 1: Small/Normal Cavity Phenotypes

🏥 case-based

Differentiate between hypovolemic shock, distributive shock, and diastolic dysfunction using subcostal echocardiography.

Differentiate Phenotypes 1, 2, and 3 using cardiac, IVC, and lung ultrasound findingsApply the Cluster 1 fluid resuscitation algorithm (10 mL/kg challenge)Recognize diastolic dysfunction clues that alter management strategy

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2

Cluster 2: Enlarged LV +/- RV

🏥 case-based

Identify cardiogenic shock and biventricular failure patterns at the bedside.

Recognize the echocardiographic hallmarks of Phenotypes 4 and 5Apply the Cluster 2 fluid restriction strategy (5 mL/kg maximum)Understand the role of LVOT VTI in monitoring Cluster 2 patients

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3

Cluster 3: Isolated Enlarged RV

🏥 case-based

Recognize acute and chronic right ventricular failure patterns.

Differentiate acute (Phenotype 6) from chronic (Phenotype 7) RV failure using RV wall thicknessApply the septal-shift-dependent Cluster 3 management algorithmUnderstand why PPV is NOT accurate in RV failure

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4

Cluster 4: Obstructive Causes

🏥 case-based

Identify pericardial tamponade, severe valvular disease, and tension pneumothorax.

Identify the three Cluster 4 phenotypes: tamponade, catastrophic valve disease, and tension pneumothorax/auto-PEEPRecognize sonographic tamponade signs: atrial collapse during systole, ventricular collapse during diastoleApply the Cluster 4 management algorithms including procedural interventions

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