23 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
/0.8)] - PaO2 Normal ... A-a gradient to normal ... Embolism, Obstructive Lung ... Disease and more • Diffusion ... , Interstitial Lung
POCUS appearance of Pleural thickening at right base. (patient was referred as possible pleural effusion, referral
POCUS appearance ... possible pleural effusion ... available) compared to normal ... #Clinical #Comparison ... #Lung #Ultrasound
Main Lung Ultrasound differences between COVID-19 involvement and other conditions that may yield respiratory symptoms
 •
Main Lung Ultrasound ... Large pleural effusion ... areas #COVID19 #POCUS ... #Lung #Ultrasound ... #Comparison #Table
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Possible small plural effusion ... bilateral B-lines - Normal ... Possible bilateral effusion ... submassive PE) POCUS ... #POCUS #ultrasound
Barcode Sign in Pneumothorax on POCUS - M-Mode

seashore sign: normal lung sliding

barcode/stratosphere sign: pneumothorax 

#Pneumothorax #Barcode
Pneumothorax on POCUS ... seashore sign: normal ... lung sliding ... Barcode #Sign #POCUS ... #Diagnosis #Comparison
U/S - Is the shoulder IN or OUT?

Top Clip: IN (No Dislocation)
Bottom Clip: OUT (Anterior Dislocation!)
-
EM_RESUS #Clinical #POCUS ... #MSK #Shoulder ... Dislocation #Anterior #Comparison ... #Normal
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
absence of intrinsic lung ... • Orthopnea - PaO2 ... on radioactive lung ... Oxygenation defect - PaO2 ... supplemental oxygen if PaO2
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
ABG And BMP Normal ... 7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... - Rapid saline infusion ... or restrictive lung
#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
100% mask A-a ... cmH20 A from normal ... FIO2 < 50% pH normal ... intravenous.PO=oral ... NS = normal saline
Pneumothorax Diagnosis on M-Mode

Left Lung: Normal sliding, sandy beach appearance

Right Lung: No lung sliding, Barcode Sign!

-
M-Mode Left Lung ... : Normal sliding ... : No lung sliding ... Barcode #Sign #POCUS ... #Diagnosis #Comparison