114 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 Normal ... A-a gradient to normal ... Disease and more • Diffusion
POCUS appearance of Pleural thickening at right base. (patient was referred as possible pleural effusion, referral
POCUS appearance ... thickening at right base ... possible pleural effusion ... available) compared to normal ... Pleural #Thickening #POCUS
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... ABG And BMP Normal ... 35-45 mmHg • PaO2 ... - Rapid saline infusion ... bloodgas #Acid #Base
#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
Osmolar Gap ACID-BASE ... )/HCO3 Acid base ... 100% mask A-a ... cmH20 A from normal ... NS = normal saline
Ascites, pericardial effusion, and left pleural effusion on subcostal 4-chamber POCUS echocardiogram

Subcostal window in SLE patient.
and left pleural effusion ... subcostal 4-chamber POCUS ... What abnormal fluid ... #s4c #POCUS #echocardiogram ... #POCUS #clinical
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
• Orthopnea - PaO2 ... liver disease - Portal ... Oxygenation defect - PaO2 ... supplemental oxygen if PaO2 ... of underlying portal
Tibiotalar Ankle Effusion Evaluation on Point of Care Ultrasound (POCUS)

POCUS for ankle effusions: position the ankle
Tibiotalar Ankle Effusion ... Care Ultrasound (POCUS ... ) POCUS for ankle ... #Normal #Ankle ... #POCUS #MSK #Clinical
Evaluation of Suprapatellar Knee Effusion (normal knee) on Point of Care Ultrasound (POCUS)

POCUS for knee effusions:
(normal knee) on ... ) POCUS for knee ... effusions: remember ... Evaluation #Knee #MSK ... #Normal
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... Framework Knee Effusion ... Infectious Knee Effusions ... - Synovium - Oral ... differential #diagnosis #msk
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Interpretation and Acid-Base ... Look at the pCO2 ... Metabolic Equal (If pCO2 ... the change in pCO2 ... Amy Chung, MD, MSc