3904 results
Hepatopulmonary Syndrome
HPS - Diagnosis:
 1. Patients with liver disease
 2. Alveolar-arterial oxygen gradient (AaP02) >15 mmHg
Hepatopulmonary Syndrome ... Severe HPS: ≥ 50 PaO2 ... Very severe HPS: PaO2 ... Hepatopulmonary #Syndrome ... #diagnosis #management
Understanding & Treating ARDS - Acute Respiratory Distress Syndrome

•  Timing - within one week of
Respiratory Distress Syndrome ... Impaired Oxygenation PaO2 ... Distress #Acute #Syndrome ... #Diagnosis #Management
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome ... Diagnosis and Management ... • Orthopnea - PaO2 ... hepatopulmonary #syndrome ... #diagnosis #management
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Respiratory Distress Syndrome ... on CT or CXR ● PaO2 ... Management ● Early ... ● Supportive management ... RespiratoryDistress #Syndrome
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
O2 is inspired) PAO2 ... reaches the alveoli) PaO2 ... Low SvO2 → Low PaO2 ... Low SvO2 → Low PaO2 ... sepsis) - High PaO2
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = PAO2 ... - PaO2 A-a gradient ... /0.8)] - PaO2 Normal ... Hypoventilation Syndrome ... Hepatopulmonary Syndrome
Markers of Organ Dysfunction in Severe Sepsis 
Altered consciousness 
Confusion 
Psychosis 

Tachycardia 
Hypotension 
Altered CVP 
Altered
Altered CVP Altered PAOP ... Tachypnoea PaO2 ... <70mmHg SaO2 < ... 90% PaO2/FiO2 300%
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
-PECO2))/PaCO2 ... age-corrected PAO2 ... /R) | Pa02 80- ... ))+(Pa02*0.0031) ... )-(CvO2) Pa02
Respiratory Oxygenation Cycle - Pathophysiology
PO2 and PCO2

By @rev.med

#Respiratory #Oxygenation #Cycle #circulation #pathophysiology
Pathophysiology PO2 ... and PCO2 By @rev.med
Platypnea-Orthodeoxia Syndrome on Physical Exam
The case of a patient with a diagnosis of cirrhosis and platypnea-orthodeoxia
Platypnea-Orthodeoxia Syndrome ... platypnea-orthodeoxia syndrome ... there is a drop in SaO2 ... to 90% (and in paO2 ... #Orthodeoxia #Syndrome