136 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 #
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 ... Autoantibodies #Rheumatology
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
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Cardiovascular Causes ... failure - CAD/ACS ... Hepatopulmonary syndrome ... Other Causes ... Transverse myelitis • Hematology
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
Common Raynaud's Mimickers
 - Acrocyanosis
 - Chill blains (pernio)
 - Erythromelalgia
 - Frostbite
 - Achenbach's Syndrome

Dr.
- Achenbach's Syndrome ... Differential #Diagnosis #Causes ... #Mimics #rheumatology
Acute promyelocytic leukemia (blood). Typical morphologic features are bilobed ("butterfly") nuclei with dispersed chromatin, subtle to
I see all of these ... features in most cases ... promyelocytic #leukemia #APL ... APML #Pathology #Hematology
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... Non-Infectious: • Rheumatologic ... Arthritis, Sjogren Syndrome ... Disease, Behcet Syndrome ... Differential #Diagnosis #Causes
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
, CML, AML, APML ... : Blast crises ... develop leukostasis syndrome ... • Tumor lysis syndrome ... #Leukemia #Hematology
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