13 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Work Up: • Complete ... Fecal occult blood test ... #dermatology #physicalexam
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Allergen-specific lgE causes ... Antigen-antibody complex ... Antigen-antibody complexes ... dermatitis, Tuberculin test ... allergy #table #classification
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... whispered voice test ... cause unknown) ... Streptococcus ○ Herpes simplex ... Hearing #Loss #Differential
Causes of B12 deficiency. 

This great diagram shows normal absorption and outlines most possible causes. At
Causes of B12 deficiency ... most possible causes ... But the rest involve ... The IF-Cbl complex ... VitaminB12 #deficiency #Differential
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... the patient’s complete ... or diagnostic tests ... Acidosis #Elevation #Differential ... #typea #typeb #classification
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
... laboratory tests ... Alzheimer - 1st cause ... Dementia - 2nd cause ... MNCD #Dementia #Differential ... #Subtypes #Classification
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
to diagnose the case ... excludes other differentials ... of narrow complex ... Awaves #AVNRT #PhysicalExam
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Test downward eye ... Test if patient ... Casey Albin MD @ ... caseyalbin #PhysicalExam
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... tracts Immune Complex ... tract, and often causes ... retinopathy Lab Tests ... #rheumatology #classification
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
negative, MOG-IgG test ... • Infectious causes ... Herpes zoster, West ... virus - Herpes simplex ... management #neurology #differential