11 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 #test ... #ACL #Knee #Injury ... #ACLTear #clinical
Normal (Negative) Pivot-Shift Test for ACL Knee Injury

Andrew Dold, MD @dr.dold.md

#Pivot #Shift #PivotShift #test #ACL #Knee
Test for ACL Knee ... Injury Andrew ... dr.dold.md #Pivot ... #ACL #Knee #Injury ... #ACLTear #clinical
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... - Differential ... Water Deprivation Test ... Water Deprivation Test ... #Nephrology #Differential
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... - Differential ... diseases, Hypoxic injury ... #Differential # ... Diagnosis #Causes #nephrology
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... swinging-flashlight test ... It is a clear sign ... afferent pathway injury ... Pupillary #Defect #Neurology
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... Femoral Condyle Knee ... #SpinalCord #Injury ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
of Acute Kidney Injury ... Acute #Kidney #Injury ... Postrenal #Failure #Differential ... #Nephrology ... GrepMed Recommended Text
Urine chemistry tests for the diagnostic evaluation of a patient with polyuria
UOsm <100 mOsm/Kg (H2O diuresis)
Urine chemistry tests ... a patient with polyuria ... - Mannitol #polyuria ... #differential # ... diagnosis #nephrology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Pathophysiology: • Severe injury ... Awareness • Injury ... Test if patient ... #PhysicalExam #neurology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
, rhabdo/crush injury ... Cortisol+ACTH stim test ... (only if no clear ... Treatment #potassium #nephrology