224 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 ... That causes the ... Lachmans #test #ACL ... anterior #cruciate #ligament
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Normotensive: • UCl ... Post-hypercapnia • UCl ... #Hypokalemia #Differential ... Algorithm #nephrology #causes
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... Antiphospholipid Antibody Syndrome ... Anti-cardiolipin (aCl ... LAC) • Sjogren Syndrome ... Anti-centromere, Scl
Mucoid Degeneration of the ACL
Imaging Findings:
 • T2-hyperintense fluid-signal within the enlarged ACL on both the
Degeneration of the ACL ... within the enlarged ACL ... : • The ACL is ... Differential Diagnosis ... - Can cause
Hyperviscosity Syndrome - Causes and Treatment

 - Waldenstrom macroglobulinemia (most common) / Plasmapheresis 
 - Multiple
Hyperviscosity Syndrome ... - Causes and Treatment ... transformation (CML ... hyperleukocytosis (AML ... #Causes #Differential
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential ... effect following treatment ... Thrombocytosis #Differential ... Diagnosis #Algorithm #Causes
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Sarcoidosis or Lofgren's syndrome ... #Differential # ... Diagnosis #Dermatology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... hyperaldosteronism • Low Urine Cl ... NGT suction, Low Cl ... • High Urine Cl ... Algorithm #Nephrology #Causes
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
- Na-K-2Cl cotransporter ... , K channel, Cl ... barrtin (recruits Cl ... Thiazide-sensitive Na—Cl ... Nephrology #Diagnosis #Differential
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... - Differential ... Myelodysplastic syndrome ... myeloid leukemia (CML ... #hematology #secondary