Calgary Blackbook @CalgaryBlackBook
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Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
patient) - 90% - Differential ... Diagnosis Algorithm ... : Thyroid Dysfunction ... #Tinnitus #Ringing ... #Causes
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Causes of Peripheral ... Sensory Changes - Differential ... Diagnosis Algorithm ... Changes: • No Objective ... #Causes
Tinnitus - Objective (can be heard/auscultated) - 10% - Differential Diagnosis Algorithm
Vascular - Arterial:
 • Atherosclerosis
Tinnitus - Objective ... Diagnosis Algorithm ... Eustachian Tube Dysfunction ... #Tinnitus #Ringing ... #Causes
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
- Differential ... Diagnosis Algorithm ... Neuromuscular Junction Dysfunction ... #Differential # ... #Causes #Ophthalmology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Sensory Changes - Differential ... Diagnosis Algorithm ... No Objective Weakness ... #Causes
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... - Vertigo - Differential ... Diagnosis Algorithm ... Rotary Movement Peripheral ... #Causes
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Algorithm Ventilation ... Atrial Septal Defect ... Hypothyroidism Peripheral
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
Causes of Cyanosis ... the Newborn - Differential ... Diagnosis Algorithm ... Peripheral Only ... #Causes #Peds #
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
Causes of Back Pain ... - Differential ... bowel or bladder dysfunction ... use, neuromotor deficits ... #Causes
Male Sexual and Erectile Dysfunction - Differential Diagnosis Algorithm
Erectile Dysfunction
 - Psychological
    •
- Differential ... Diagnosis Algorithm ... Sensate • Focus ... #Male #Differential ... endocrinology #causes