38 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 ... #ACL #Knee #Injury
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 ... Injury Andrew ... #PivotShift #test ... #ACL #Knee #Injury
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
Curve Left Shift ... Temperature Right Shift ... Dissociation #Curve #pathophysiology ... #pulmonary #respiratory
Pivot Shift test for Knee Instability

The patient lies supine while the examiner grasps the leg by
Pivot Shift test ... indicating likely ACL ... Injury. ... #PivotShift #test ... #ACL #Knee #Injury
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
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
syndrome, Electrical injury ... exhaustion, Heat iniury ... Dermatomyositis) AKI - Pathophysiology ... Shift of extracellular ... fluid into injured
Proposed Pathophysiology of COVID19 Lung Injury

COVID19 Lung Injury model schematic based on 1) ACUTE thrombotic vascular
Proposed Pathophysiology ... of COVID19 Lung Injury ... COVID19 Lung Injury ... #LungInjury #Pathophysiology ... #COVID19 #Pulmonary
Clavicular Fracture: Pathogenesis and clinical findings

Group I (69%) - Middle third (mid-shaft)
Group II (29%) - Distal
Middle third (mid-shaft ... the mechanism of injury ... other injuries in all ... Grading #Diagnosis #pathophysiology
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Noncardiogenic Pulmonary ... Framework NCPE Pathophysiology ... Transfusion-related acute lung injury ... contents • Head injury ... Traumatic brain injury
Pathogenesis and Pathophysiology of Diabetic Ketoacidosis (DKA)

DKA is a result of an absolute or relative insulin
Pathogenesis and Pathophysiology ... counterregulatory hormones act ... driven by insulin) shifts ... details of the pathophysiology ... #Pathophysiology