3183 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
O2 is inspired) PAO2 ... hypoxia) - Low PaO2 ... Low SvO2 → Low PaO2 ... Low SvO2 → Low PaO2 ... summary #pulmonary #differential
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%
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 Simplified ... /0.8)] - PaO2 Normal ... Hypoxia #hypoxemia #differential
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
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Pancytopenia - Differential ... Infiltration: • Hematologic ... and non-hematologic ... #Neutropenia #Differential ... Algorithm #Causes #Hematology
Thrombotic Microangiopathies In Systemic Lupus Erythematosus

Dr. Laurent ARNAUD @Lupusreference

#TMAs #Thrombotic #Microangiopathies #Systemic #Lupus #Erythematosus #SLE #hematology
Erythematosus #SLE #hematology ... #rheumatology # ... differential #diagnosis
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
arterial oxygen (PaO2 ... compensate for low PaO2 ... hypoxia #hypoxemia #differential
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Non malignant hematologic ... states • Non-hematologic ... Thrombocytosis #Differential ... Algorithm #Causes #Hematology
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
Leukocytosis - Differential ... Features of hematologic ... #Leukocytosis #Differential ... Diagnosis #Algorithm #hematology