114 results
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Chronic Shoulder ... Diagnosis Algorithm 4 tests ... Cross-arm shoulder ... after cross-arm test ... Diagnosis #Algorithm #MSK
Crank Test for Labral Tear of the Shoulder

To perform the Crank Test, fully abduct the shoulder
Crank Test for Labral ... Tear of the Shoulder ... fully abduct the shoulder ... open_michigan #Shoulder ... video #sports #msk
Drop Arm Test - Supraspinatus Tear

The drop arm test evaluates for a supraspinatus muscle tear.
Passively adduct
Drop Arm Test - ... The drop arm test ... Passively adduct the shoulder ... Supraspinatus #Tear #Shoulder ... video #sports #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
Shoulder Impingement Syndrome (SIS): Signs and Symptoms

Repetitive Overhead Activity, Scapular Dyskinesis -> Scapulohumeral mechanics become altered
Shoulder Impingement ... + Painful arc test ... flexion of the shoulder ... pain + Hawkin's test ... signs #symptoms #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
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
• Orthopnea - PaO2 ... Should be performed ... 10 minutes of rest ... Oxygenation defect - PaO2 ... supplemental oxygen if PaO2
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Case description ... cause of anterior shoulder ... Usually anterior shoulder ... Glenohumeral #Ligament #shoulder ... Radiology #diagnosis #msk
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
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
require imaging based ... Painful balottement test ... fracture #radiology #msk