40 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Erythropoietin, O2 Saturation ... Hemoglobin - O2 Saturation ... Chronic Chest Symptoms ... Diagnosis #Algorithm #Causes
Low O2 saturation that does not respond to supplemental O2
- Key diagnostic feature (sat < 85%
Low O2 saturation ... pulse oximeter causes ... decrease in O2 saturation ... FiO2 Severity of symptoms ... impaired O2 delivery Symptoms
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... without an obvious cause ... occur with neck trauma ... Head trauma - Symptoms ... Central #Vertigo #Causes
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... vomiting, auditory symptoms ... Imbalance, neurologic symptoms ... • Ethanol - Trauma ... Diagnosis #Algorithm #Causes
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
Causes of Back Pain ... constitutional symptoms ... pain, high energy trauma ... Unresolved Radicular Symptoms ... Diagnosis #Algorithm #Causes
Pneumocystis jirovecii Pneumonia 
Clinical 
 • Caused by Pneumocystis jirovecii (formerly carinil) 
 • Immunocompromised host
Clinical • Caused ... CD4 < 200 • Symptoms ... cough • Oxygen desaturation
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• Neurologic symptoms ... a mass as the cause ... • Tumor • Trauma ... • Aneurysm • Trauma ... • Aneurysm • Trauma
Fat Embolism Syndrome
Trauma to the long bone or pelvis accounts for —9096 of cases. The diagnosis
Embolism Syndrome Trauma ... accounts for —9096 of cases ... masked in the trauma ... Diagnosis #Signs #Symptoms
TRAUMA Mnemonic for Post-Traumatic Stress Disorder (PTSD) Symptoms

T - Traumatic Experience - A Traumatic event occurred
TRAUMA Mnemonic ... Disorder (PTSD) Symptoms ... response to such trauma ... distressing and cause ... .174.6.424 #TRAUMA
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... lumbar spine • Trauma ... spine Signs / Symptoms ... pathophysiology #diagnosis #symptoms