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Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Diagnosis of Central ... - Pulmonary diseases ... Differential #Diagnosis #Central ... #Cardiology #Causes ... #Table #Comparison
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
restrictive lung disease ... may show this pattern ... hyperventilation syndrome—a common ... Breathing In lung disease ... #Breathing #Patterns
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Differential Diagnosis Algorithm ... underlying lung disease ... in cough) • Abnormal ... exam, etc) • Abnormal ... #causes
Differentiating Features Between Central and Peripheral Cyanosis

Mechanism - Arterial destauration
Sites - Skin, mucous membrane of oral
Features Between Central ... therapy - Pulmonary cause ... blood gas - pO2 normal ... #Cyanosis #Central ... #Peripheral #Comparison
Low Back Pain (Lumbago) - Common Differential Diagnosis and Patterns

Mechanical Low Back Pain:
Aching pain in the
Pain (Lumbago) - Common ... Diagnosis and Patterns ... or inflammatory disease ... Differential #Diagnosis #Patterns ... #Features #Comparison
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central ... tinnitus (Méniére's disease ... labyrinthitis) CENTRAL ... with vascular causes ... signs #symptoms #comparison
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... may be present Central ... with vascular causes ... positional episodes caused ... test Méniére's disease
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... and Central Vertigo ... Méniére's disease ... CENTRAL VERTIGO ... symptoms most common
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
caution in pulmonary disease ... Treat underlying cause ... caution in pulmonary disease ... Treat underlying cause ... management #cardiology #algorithm
Nail Pathologies - Findings in or Near Nails

Paronychia 

A superficial infection of the proximal and lateral
Represents the most common ... Systemic causes ... Commonly affects ... Spots in the pattern ... #Abnormal #Pathology