17 results
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
arterial pressure ... SVI = CI/heart rate ... SVI x 0.136) ● Oxygen ... Hb x SaO2) ● Oxygen ... Interpretation #Diagnosis
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
pressure of arterial ... oxygen (PaO2) is ... - Insufficient oxygen ... #differential #diagnosis ... #comparison #pulmonary
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
and Pathophysiology ... mmHg developed atrial ... fibrillation at a rate ... Infarction • Pulmonary ... #Pathophysiology
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 ... +2PDP)/3 Mean Pulmonary ... Arterial Pressure ... Cardiac Work Index, Right ... Stroke Work Index, Right
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
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
- Differential Diagnosis ... crackles in the right ... - Amount of oxygen ... evidence of left atrial ... #differential #diagnosis
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) and Pulmonary Thromboendarterectomy
Chronic Thromboembolic Pulmonary Hypertension
Definition: mean pulmonary-artery pressure > 25mmHg
pressure > 25mmHg ... embolism Pathophysiology ... regurgitation) Diagnosis ... defects • Confirm diagnosis ... pressure in patients
Atrial Fibrillation (A-Fib) Summary

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

Why?
Cardiac:
	• Valvular heart
Atrial Fibrillation ... Palpitations, light-headedness ... Noncardiac: • Pulmonary ... ventricular pressure ... Fibrillation #AFib #diagnosis
Differentiating PAH from PVH - Echocardiography
Pulmonary Artery Hypertension (PAH):
 • RV size - Enlarged
 • LA
<8 • Aortic pressure ... 10 • Aortic pressure ... Echocardiogram #comparison ... #diagnosis #cardiology ... #pulmonary #arterial
Approach to the Hypotensive Patient - Differential Diagnosis Framework for Hypotension

Blood Pressure = Heart Rate x
- Differential Diagnosis ... Hypotension Blood Pressure ... = Heart Rate x ... tachycardia • Atrial ... depletion • Pulmonary