65 results
Pivot-Shift Test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
Pivot-Shift Test ... in ACL-deficient ... dr.dold.md #Pivot ... #Shift #PivotShift ... ACLTear #clinical #video
Knee Examination
Right Knee - Examination maneuvers include the Lachman (ACL), anterior drawer (ACL), Lateral pivot shift,
include the Lachman (ACL ... anterior drawer (ACL ... ), Lateral pivot ... shift, Apley compression ... #Diagnosis #Sports
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 ... Test for ACL Knee ... #Shift #PivotShift ... #test #ACL #Knee ... ACLTear #clinical #video
Lateral pivot shift test: Valgus stress on knee plus internal/external rotation of knee during knee flexion
Lateral pivot shift ... knee flexion #Diagnosis ... LateralPivotShift #Test #ACL
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 ... clinical #msk #video
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Angiotensin-converting enzyme (ACE ... • Increased EC shift ... • Exogenous (KCL ... #differential #diagnosis ... #pathophysiology
Pivot Shift test for Knee Instability

The patient lies supine while the examiner grasps the leg by
Pivot Shift test ... indicating likely ACL ... #Shift #PivotShift ... #test #ACL #Knee ... Injury #clinical #video
Isolated Anterior Cruciate Ligament (ACL) Injury: Pathogenesis and clinical findings
 • Feeling a "pop"
 • Acute
Cruciate Ligament (ACL ... Lachman's test + Pivot ... Shift test + Anterior ... AnteriorCruciateLigament #ACL ... #MSK #Sports #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 ... Differential #Causes #Diagnosis
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
- Differential Diagnosis ... Transcellular Shift ... #Differential #Diagnosis ... potassium #low #pathophysiology