306 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Algorithm by A-a Gradient ... Normal A-a Gradient ... compliance ↑ A-a Gradient ... Alveolar • V/Q Mismatch ... pulmonary #Aa #Gradient
Knee Examination
Right Knee - Examination maneuvers include the Lachman (ACL), anterior drawer (ACL), Lateral pivot shift,
meniscal integrity) tests ... McMurray #Drawer #Test ... #msk
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Diagnosis Algorithm 4 tests ... after cross-arm test ... Diagnosis #Algorithm #MSK
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Approach to the A-a Gradient ... A-a gradient = ... PAO2 - PaO2 A-a gradient ... A-a Gradient ≤ ... and more • V/Q Mismatch
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
Clarke's Test (Patellar ... Grind Test) ... of patella then ask ... _ #Clarkes #Test ... Patellofemoral #msk
Anterior Cruciate Ligament Injury seen with positive Anterior Drawer Test

#Anterior #Cruciate #Ligament #ACL #Injury #Drawer #Test
Anterior Drawer Test ... Injury #Drawer #Test ... clinical #video #msk
Normal (Negative) Lachman Test for ACL Injury

Andrew Dold, MD @dr.dold.md

#Lachmans #test #ACL #Knee #Injury #Normal #Negative
Negative) Lachman Test ... #Lachmans #test ... cruciate #ligament #msk
Abnormal Simmonds-Thompson Test (Positive) for Achilles Tendon Rupture

In this positive Simmonds-Thompson test, there is no plantar
Simmonds-Thompson Test ... Simmonds-Thompson test ... Simmonds #Thompson #Test ... #Calf #Sports #msk
Commonly Used Clinical Grading Systems
 • Edema Grading Scale
 • Hepatic Encephalopathy Grading (West Haven Criteria)
Used Clinical Grading ... Systems • Edema Grading ... Encephalopathy Grading ... (West Haven Criteria ... • Ascites Grading
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
arm, empty can test ... diagnosis #sports #MSK