2494 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
O2 is inspired) PAO2 ... Low SvO2 → Low PaO2 ... Low SvO2 → Low PaO2 ... sepsis) - High 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
Generalized Hyperpigmentation Differentials
Use the Mnemonic "no skin SPARED"

Images from dermnet.nz and merckmanuals

Mnemonic from https://www.medscape.com/slideshow/dermatology-mnemonics-6011359#5 #diagnosis #differential
Hyperpigmentation Differentials ... Use the Mnemonic ... merckmanuals Mnemonic ... slideshow/dermatology-mnemonics ... #5 #diagnosis #differential
Respiratory Oxygenation Cycle - Pathophysiology
PO2 and PCO2

By @rev.med

#Respiratory #Oxygenation #Cycle #circulation #pathophysiology
Pathophysiology PO2 ... and PCO2 By @rev.med
PLACO Mnemonic - Approach to Acid-Base Disorders
P - Determine the pH
L - Labs: PCO2 & HCO3
A
PLACO Mnemonic - ... pH L - Labs: PCO2 ... diagnosis #nephrology #Mnemonic
A mnemonic / aide memoir to facilitate in the teaching / learning of >20 STEMI mimics.
A mnemonic / aide ... STEMI #mimics #mneomnic ... #differential #
GHOST CAP - Neuro ICU Checklist Mnemonic
G - Glycemia
H - Hemoglobin
O - Oxygen
S - Sodium
T -
ICU Checklist Mnemonic ... Pressure P - PaCO2 ... neurology #Checklist #Mnemonic
Mnemonics - Organophosphate Toxin Poisoning
#Diagnosis #Toxicology #Organophosphate #Cholinergic #Toxidrome #Poisoning #SLUDGE #DUMBBELLS #Mnemonic
Mnemonics - Organophosphate ... SLUDGE #DUMBBELLS #Mnemonic