277 results
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 ... Disease and more • Diffusion
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
DP-PCWP Coronary Perfusion ... -PECO2))/PaCO2 ... age-corrected PAO2 ... /R) | Pa02 80- ... ))+(Pa02*0.0031)
ABG vs VBG: Arterial vs Venous Blood Gases

ABG
PROS: Tells you exactly what the arterial environment looks
looks like (pH, PaCO2 ... #Correlation #Comparison ... #pH #pCO2 #Diagnosis
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
arterial oxygen (PaO2 ... compensate for low PaO2 ... differential #diagnosis #comparison
POCUS appearance of Pleural thickening at right base. (patient was referred as possible pleural effusion, referral
POCUS appearance ... possible pleural effusion ... Pleural #Thickening #POCUS ... #Clinical #Comparison
Main Lung Ultrasound differences between COVID-19 involvement and other conditions that may yield respiratory symptoms
 •
Consolidations, Pleural effusion ... Large pleural effusion ... localized pleural effusion ... areas #COVID19 #POCUS ... Lung #Ultrasound #Comparison
Characteristics of Important Exudative Pleural Effusions

#Exudative #Pleural #Effusions #Comparison #Table #Characteristics #Differential #Pulmonary
Exudative Pleural Effusions ... Exudative #Pleural #Effusions ... #Comparison #Table
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
explained by pleural effusions ... inspired oxygen (PaO2 ... - 200 mm Hg < PaO2 ... - 100 mm Hg < PaO2 ... H2O - Severe - PaO2
#ICUCard
RENAL
GFR
90-131
mL/min
((140-age)*Wt)/(72*Cr)
Glomerular Filtration Rate (Cockcroft)
CI Cr
90-131
mL/min
(CrU * volume)/CrS
Creatinine Clearance
FENa
0.0-1.0
%
((U/P Na)/(U/P Cr))*100
Fractional Excretion of Na+
Na req
mEq
(125-Na)*0.6*Wt
Required Sodium
FE Urea
pCO2 = 1.5 (HCO3 ... ТНСО3 → TPCO2 pCO2 ... Pa02 < 70 mmHg on ... < 50 mmHg Pa02 ... /500mL NS) IV Infusion
POCUS Pearls for Tamponade
- Pericardial Effusion
- Diastolic Right Ventricular Collapse
- Systolic Right Atrial Collapse
- Plethoric Inferior
POCUS Pearls for ... - Pericardial Effusion ... Cardiac #Tamponade #POCUS ... Evaluation #Cardiology #Effusion