55 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Intracardiac Right to Left ... Defect ** • Atrial ... Right to Left Shunt ... #Differential #Diagnosis
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
Waveforms Direct measurements ... (PAp) ● Pulmonary ... SvO2) Indirect measurements ... heart rate) ● Left ... Interpretation #Diagnosis
Oxygen Saturation - Measurement Techniques and Limitations
 • Sp02 - Cutaneous pulse oximeter
 • SaO2 Calculated
Oxygen Saturation - Measurement ... Pulse #Oximetry #Measurement ... #pulmonary #diagnosis ... #comparison
Degenerated Left Atrial Myxoma on Echocardiogram (PLAX)
A 68-year-old gentleman with progressive shortness of breath and cystic
Degenerated Left ... Echocardiogram ... cystic mass in left ... Final diagnosis ... #Myxoma #Echocardiogram
Pulmonary Arterial Catheterization – Use and Interpretation:
-Pulmonary arterial catheterization (PAC) has never been shown to improve
Pulmonary Arterial ... However, when the diagnosis ... mixed, hemodynamic measurements ... pressure) -right atrial ... #Diagnosis #PACatheter
Differentiating PAH from PVH - Echocardiography
Pulmonary Artery Hypertension (PAH):
 • RV size - Enlarged
 • LA
from right to left ... septum - Bows from left ... Differentiating #PAH #PVH #Echocardiogram ... #comparison #diagnosis ... #arterial #venous
Right Heart Cath - Normal Cardiac Pressures

Right Atrial Pressure (RAP) or Central Venous Pressure (CVP)
 •
Pressures Right Atrial ... mmHg (Diastolic) Left ... Atrial Pressure ... or Pulmonary Capillary ... RHC #cardiology #diagnosis
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
Hypoxia Hypoxemia - Partial ... pressure of arterial ... #differential #diagnosis ... #comparison #pulmonary
Performing Ankle Brachial Index (ABI) Measurement
Sensitive and Specific + Inexpensive Test for Diagnosing PAD [In Patients
Brachial Index (ABI) Measurement ... Chronic Peripheral Arterial ... Returns (Repeat Measurement ... Right PT/DP → Left ... PT/DP → Left Brachial
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,
Pulmonary Artery ... Arterial HTN Pulmonic ... Regurgitation Left-to-Right ... Shunt Right-to-Left ... Hemodynamics #Cardiology #diagnosis