85 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 #test ... #PhysicalExam #Sports
Normal (Negative) Pivot-Shift Test for ACL Knee Injury

Andrew Dold, MD @dr.dold.md

#Pivot #Shift #PivotShift #test #ACL #Knee
Negative) Pivot-Shift ... Test for ACL Knee ... #PivotShift #test ... #ACL #Knee #Injury ... #PhysicalExam #Sports
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 ... #Diagnosis #Sports
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Transcellular Shift ... Transcellular shifts ... #Diagnosis #Algorithm
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Hypokalemia - Differential ... Diagnosis Algorithm ... Transcellular Shift ... K-ATPase which imports ... #Diagnosis #Algorithm
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Hypokalemia - Differential ... Diagnosis Algorithm ... (transcellular shift ... #Hypokalemia #Differential ... #Diagnosis #Algorithm
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Hyperkalemia - Differential ... Diagnosis Algorithm ... Transcellular Shift ... Hyperkalemia #Nephrology #Differential ... #Diagnosis #Algorithm
Pivot Shift test for Knee Instability

The patient lies supine while the examiner grasps the leg by
Pivot Shift test ... indicating likely ACL ... #PivotShift #test ... #ACL #Knee #Injury ... #PhysicalExam #Sports
Lateral pivot shift test: Valgus stress on knee plus internal/external rotation of knee during knee flexion
Lateral pivot shift ... flexion #Diagnosis #Sports ... LateralPivotShift #Test #ACL
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Angiotensin-converting enzyme (ACE ... • Increased EC shift ... • Exogenous (KCL ... #hyperkalemia #differential