12 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 ... #Injury #ACLTear ... #clinical #video
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 ... Injury Andrew ... #Shift #PivotShift ... #clinical #video
Pivot Shift test for Knee Instability

The patient lies supine while the examiner grasps the leg by
Pivot Shift test ... Injury. ... #Shift #PivotShift ... #test #ACL #Knee ... #video #PhysicalExam
Reverse Pivot Shift Test on Physical Exam

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

Kendall
Reverse Pivot Shift ... Posterolateral corner injury ... #Reverse #Pivot ... #Shift #Test #PhysicalExam ... clinical #msk #video
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... that is leaky all ... (transcellular shift ... Differential #Diagnosis #Algorithm
Isolated Anterior Cruciate Ligament (ACL) Injury: Pathogenesis and clinical findings
 • Feeling a "pop"
 • Acute
Cruciate Ligament (ACL ... ) Injury: Pathogenesis ... Lachman's test + Pivot ... Shift test + Anterior ... #Injury #MSK #Sports
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Suspicion for Hyperkalemia ... • Trauma/Crush injury ... • NSAIDs • ACE ... Intracellular Shift
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Emergent Hyperkalemia ... Treatment Algorithm ... ongoing rhabo, crush injury ... cardiac membrane Shift ... offending agent (ACE-I
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Suspicion for Hyperkalemia ... • Trauma/Crush injury ... • NSAIDs • ACE ... Intracellular Shift
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... with hypokalemia ... creatinine) • Cell shift ... syndrome #hypokalemia ... #differential #algorithm