101 results
POCUS Stewardship
Right Indication - Right Interpretation -Right Integration
Indication → Pre-test Probability → Spectrum of Disease →
Indication → Pre-test ... clinical question based ... Step 2: Pre-test ... probability based ... #ultrasound #management
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
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
the screening test ... correctly diagnose a case ... that any given case ... the screening test ... it has a narrow focus
Oxygen Delivery Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
of flow) Face Mask ... Device: Face Tent ... ~40% Venturi Mask ... 2 - 15 L/min (based ... support #devices #management
BENNETT FRACTURE 
Bennett fracture is an intraarticular two-part fracture of the ulnar side of the base
ulnar side of the base ... motion • ED Management ... require operative management ... XRay #Diagnosis #Management ... #Orthopedics #MSK
ROLANDO FRACTURE 
Rolando fracture is an intraarticular three-part fracture of the base of the first metacarpal
fracture of the base ... fracture of the base ... tenderness at the base ... motion • ED Management ... #Orthopedics #MSK
#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 ... pCO2 = 1.5 (HCO3 ... )/HCO3 Acid base ... 100% mask A-a ... < 50 mmHg Pa02
Delirium Tips: What NOT To Do:
 - Don't think delirium is a benign condition 
 -
- Don't order tests ... around) - Don't base ... @DrLindaDykes based ... #Diagnosis #Management
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Diagnosis and Management ... • Orthopnea - PaO2 ... 10 minutes of rest ... Oxygenation defect - PaO2 ... SpO2 > 88% • Management
Global Alliance algorithm to improve outcomes in acne.
†With small nodules (>0.5–1 cm).
‡Consider physical removal of comedones.
§Second
Second course in case ... pregnancy, see text ... ††See text. alt. ... #Management #Dermatology