23 results
Pivot-Shift Test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
Pivot-Shift Test ... dr.dold.md #Pivot ... #Shift #PivotShift
Normal (Negative) Pivot-Shift Test for ACL Knee Injury

Andrew Dold, MD @dr.dold.md

#Pivot #Shift #PivotShift #test #ACL #Knee
Normal (Negative) Pivot-Shift ... dr.dold.md #Pivot ... #Shift #PivotShift
Knee Examination
Right Knee - Examination maneuvers include the Lachman (ACL), anterior drawer (ACL), Lateral pivot shift,
(ACL), Lateral pivot ... shift, Apley compression
Pivot Shift test for Knee Instability

The patient lies supine while the examiner grasps the leg by
Pivot Shift test ... PT_yuu_mizu628 #Pivot ... #Shift #PivotShift
Lateral pivot shift test: Valgus stress on knee plus internal/external rotation of knee during knee flexion
Lateral pivot shift
Reverse Pivot Shift Test on Physical Exam

Dx: Posterolateral corner injury; but beware proximal tib/fib instability 

Kendall
Reverse Pivot Shift ... injury #Reverse #Pivot ... #Shift #Test #PhysicalExam
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
Curve Left Shift ... Temperature Right Shift ... Dissociation #Curve #pathophysiology
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
Curve Left Shift ... Hypophosphatæmia Right Shift ... Dissociation #Curve #Pathophysiology ... #Left #Right #Shift
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Transcellular Shift ... potassium #low #pathophysiology
Conceptual Relationship between Volume Responsiveness and Volume Tolerance

Assessing for volume responsiveness would only tell you that
Causes of "Left Shift ... Tolerance #IVFluids #Shift ... #Differential #Pathophysiology