8 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 #test ... PhysicalExam #Sports #Ortho
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 #Ortho
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 ... #pharmacology #potassium
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... creatinine) • Cell shift ... mmol creatinine) High ... Urine Cl - Loop ... hypokalemia #urine #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • NSAIDs • ACE ... • Recent IV potassium ... Intracellular Shift ... #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • NSAIDs • ACE ... • Recent IV potassium ... Intracellular Shift ... #high #nephrology
Ultrasound Guided Brachial Plexus Nerve Block on POCUS
Mid-shaft humerus fracture, 10/10 pain, 350mcg fentanyl and no
on POCUS Mid-shaft ... block in this high ... until us (EM) and ortho ... All bupivicaine ... base with your ortho
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
extracellular shift ... Angiotensin-converting enzyme (ACE ... combination with ACE ... Differential #Diagnosis #High ... #Potassium #Classification