17 results
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
Right Heart Catheterization ... arterial pressure ... /m2) (SVI = CI/heart ... rate) ● Left ... Hb x SaO2) ● Oxygen
Right Heart Catheterization Waveforms and Pressures
Right Atrial Pressure:
 • Mean: 1-5 mm Hg
Right Ventricular Pressure:
 •
Right Heart Catheterization ... Waveforms and Pressures ... Right Atrial Pressure ... Diastolic: 1-7 mm Hg Pulmonary-Artery ... Catheterization #RHC #Waveforms
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Jugular Venous Pressure ... Waveforms - Differential ... pulmonary hypertension ... heart failure, ... Abnormal #Jugular #Waveforms
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Diagnosis and Pathophysiology ... disorders - Chronic pulmonary ... mmHg developed atrial ... fibrillation at a rate ... Infarction • Pulmonary
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
Central venous pressure ... (CVP) or right ... atrial pressure ... identify at slower heart ... filling of RA in late
Perform computations online at:
ScyMed.com
6th ED
ICU-card
«ICU, Formulas & Drugs»
HEMODYNAMIC PATTERNS
Condition
SAP
CVP

PAP PCWP

CO C(a-v)02 PVR

SVR
Hypovolemic shock
↓
↓
↓
↓
↓
↑
↑
↑
Cardiogenic shock
↓
1
↑
1

1
↑

Septic shock
↓
↓
↓
↓
↑
↓
↓
↓
Cardiac Tamponade
.
↑
↑
1
↓

→
↑
RV
→ ↓ → →↑ Pulmonary ... 90 bpm CO/SV Heart ... Arterial Pressure ... Cardiac Work Index, Right ... Stroke Work Index, Right
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Palpitations, light-headedness ... : • Valvular heart ... • Structural heart ... Noncardiac: • Pulmonary ... ventricular pressure
Oxygen Delivery Equation
DO2 = CO x {(1.39 x Hb x sO2) + (PaO2 x 0.03)}
DO2 =
x 0.03)} DO2 = Rate ... hemoglobin PaO2 = Partial ... pressure of oxygen ... Delivery #Equation #pathophysiology ... #pulmonary #apples
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
Right Heart Catheterization ... correlate in the SHOCK trial ... heart failure. ... equipment to measure oxygen ... nomogram-based estimates of oxygen
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) and Pulmonary Thromboendarterectomy
Chronic Thromboembolic Pulmonary Hypertension
Definition: mean pulmonary-artery pressure > 25mmHg
pressure > 25mmHg ... embolism Pathophysiology ... heart function ... heart catheterization ... pressure in patients