99 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
#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
ТРСО2 → Тнсоз acute ... → ІнСО3 acute: ... > 50mmHg (acute ... 70 mmHg on 100% mask ... cmH20 A from normal
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acute or chronic ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... Compensation, Acute ... - Rapid saline infusion
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 ... Reactive Syndrome - Acute ... - Synovium - Oral ... differential #diagnosis #msk
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
Pericardial Clot on Echocardiogram

ST elevation of acute pericarditis was misdiagnosed as STEMI and thrombolysed with SK
ST elevation of acute ... thrombolysed with SK ... hemorrhagic pericardial effusion ... #Pericardial #effusion ... Echocardiogram #POCUS
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
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Berlin Criteria for Acute ... explained by pleural effusions ... - 200 mm Hg < PaO2 ... - 100 mm Hg < PaO2 ... H2O #ARDS #Acute
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
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Possible small plural effusion ... Possible bilateral effusion ... the severity Acute ... submassive PE) POCUS ... #signs #Lung #POCUS