622 results
Neck Mass - Differential Diagnosis Framework
Inflammatory:
 • Viral (reactive): EBV, HIV
 • Bacterial: Staph/Strep, Tularemia, Brucella
• Metastatic: SCC ... Lipoma, Cyst BCM ... Differential #Diagnosis #causes
Schematic examples of the cause of acute mitral regurgitation. 
LV, left ventricle; PM, papillary mucle; SAM,
examples of the cause ... papillary mucle; SAM ... MR #Diagnosis #Causes
Sebaceous hyperplasia 
 - Yellow papule 
 - Donut-shape 
 - Central umbilication 
 - Telangiectasia
Usually multiple - Causes ... Benign #Clinical #Photo
Priapism 

Secondary Causes:
Medications- intracavernosal injections, anticoagulants, PDE5 inhibitors, alpha blockers, methylphenidate, cocaine
Any hyperviscosity syndrome (SCD, leukemia,
Secondary Causes ... hyperviscosity syndrome (SCD ... Priapism #Diagnosis #Management
Pneumothorax and Chest Tube Management Algorithm
Estimate pneumothorax size
  > 3cm = Large
  < 3cm
and Chest Tube Management ... pneumothorax size > 3cm ... = Large < 3cm ... Pneumothorax #ChestTube #Management
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
urinalysis, labs - Management ... or pigmented casts ... renal biopsy - Management ... treating underlying cause ... ultrasonography - Manaqement
Kussmaul's sign in Constrictive Pericarditis 

A 50-year-old woman with a remote history of mediastinal lymphoma (age
on her chest (photo ... Causes = RV failure ... , restrictive CM ... pericarditis (this case
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Anemia Intrinsic Causes ... SCD, thalassemias ... elliptocytosis Extrinsic Causes ... Intravascular Causes ... Differential #Diagnosis #causes
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... most frequently SCC ... most frequently SCC
WETFLAG Mnemonic for Pediatric Resuscitation 

Weight 
Energy 
Tube 
Fluid 
Lorazepam 
Adrenaline 
Glucose 

Dr. Sam Birks @
Sam Birks @ BirksMD ... #CriticalCare #Management