2744 results
Mechanical Cardiac Support Devices Compared
Cannula Size - Insertion Technique - Haemodynarnic Support
IABP:
 • Afterload: Reduced
 •
Slightly reduced • PCW ... pre-load: Reduced • PCW ... pre-load: Reduced • PCW ... Slightly reduced • PCW ... Comparison #cardiology #management
Fluid Responsiveness and Fluid Tolerance Testing - OnePager Summary
Fluid resuscitation can be beneficial when required or
• PAOP/PCWP: PAOP ... /PCWP approximates ... comparison #challenges #management
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
↓ CO, ↑ SVR, ↓ PCWP ... ↓ CO, ↑ SVR, ↑ PCWP ... ↓ CO, ↑ SVR, ↓ PCWP ... ↑ CO, ↓ SVR, ↓ PCWP
Differentiating PAH from PVH - Echocardiography
Pulmonary Artery Hypertension (PAH):
 • RV size - Enlarged
 • LA
Normal/Low • PCWP ... mmHg • PADP-PCWP ... Normal/High • PCWP ... mmHg • PADP-PCWP
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
RESISTANCE = (meanPAP-PCWP ... based on PVR & PCWP ... RAP/PCWP RATIO ... • A ↑ RA/PCWP correlates ... • RA/PCWP>0.54
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
wedge pressure (PCWP ... x [mean PAp – PCWP ... LVSWI = [MAP – PCWP
Pulmonary Artery Catheter Pressures
Normal: RA 0-8, RV 15-25/0-8, Mean PAP <25, PCWP 8-12, Cardiac Index 2.6-4.2
HFrEF,
Mean PAP <25, PCWP
Right Heart Cath - Normal Cardiac Pressures

Right Atrial Pressure (RAP) or Central Venous Pressure (CVP)
 •
Wedge Pressure (PCWP
IDSA - Prophylaxis to Prevent First Episode of Opportunistic Disease in HIV-AIDS
 • Pneumocystis pneumonia (PCP)
Pneumocystis pneumonia (PCP ... HIVAIDS #IDSA #management
R Wave Progression - normal chest lead ECG shows an rS-type complex in lead V1 with
#Progression #PRWP