10 results
Pivot-Shift Test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
Pivot-Shift Test ... be performing a high-tibial ... dr.dold.md #Pivot ... #Shift #PivotShift ... #Injury #ACLTear
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 ... #test #ACL #Knee
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 ... #Injury #clinical
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
Evaluation of Electrical Injury in the Emergency Department 

Common Injuries by System:

CNS - Seizure, coma, spinal
of Electrical Injury ... coma, spinal cord injury ... be delayed) — high ... especially with AC ... Management #Emergency #Algorithm
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... creatinine) • Cell shift ... mmol creatinine) High ... Urine Cl - Loop ... #differential #algorithm
Hyperkalemia - Differential Diagnosis Framework

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

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • Trauma/Crush injury ... • NSAIDs • ACE ... Intracellular Shift ... causes #potassium #high
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
extracellular shift ... neuromuscular injury ... combination with ACE ... oliguric kidney injury ... Differential #Diagnosis #High