126 results
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
Lachman test in ACL ... anesthesia with an ACL ... looseness of the knee ... That causes the ... #Knee #Injury #
Tumor lysis syndrome (TLS) - Pathophysiology:
→ Massive tumor cell lysis
→ Release of large amounts of K+,
Tumor lysis syndrome ... (TLS) - Pathophysiology ... , AML, NHL → AKI ... #TumorLysis #syndrome ... #TLS #Pathophysiology
Septic Arthritis: Pathogenesis and clinical findings
Notes:
- Septic Arthritis is typically monoarticular & the knee is involved
monoarticular & the knee ... involved in >50% of cases ... S.A. can also be caused ... pathogen across all ... SepticArthritis #pathophysiology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... distal to the knee ... Osteoarthritis - Overuse syndrome ... Seronegative Reactive Syndrome ... #Effusions #causes
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
acid, Liddle's Syndrome ... R - Cushing's syndrome ... Diuretics, Bartter's syndrome ... , Gitelman's syndrome ... Algorithm #nephrology #causes
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
Patellofemoral Syndrome ... findings • Anterior Knee ... Patellofemoral #Syndrome ... #pathophysiology
Brudzinski’s Sign in Meningitis (first described in 19th century by Dr. Josef Brudzinski)

Brudzinski's sign is characterized
flexion of the knees ... Passive neck flexion causes ... While the pathophysiology ... for the hip/knee ... is that hip and knee
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... - Refeeding Syndrome ... Diagnosis #Algorithm #causes ... potassium #low #pathophysiology
Hydroxyurea - Pathophysiology and Benefits in Sickle Cell Disease
 • Decreases number of pain crises (
Hydroxyurea - Pathophysiology ... number of pain crises ... vs. 1) • Fewer ACS ... Benefits #SickleCell #pathophysiology
Schematic representation of the major sources of ammonia production and its excretory pathway (GI = gastrointestinal,
although hepatic causes ... namely, the many causes ... myeloma, CML, AML ... rare): - Reye syndrome ... deficiency #Ammonia #Pathophysiology