7418 results
Acute Mountain Sickness 
Low partial pressure of oxygen at high altitude 
• Stop ascent 
• Supportive
altitude • Stop ascent ... hyperbaric chamber • Descent
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
• x descent - ... • x descent - ... overcomes the descent ... • y descent - ... Thus the y descent
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
tachycardia - Absent x descent ... - Prominent x descent ... percarditis - Slow y descent ... myxoma - Rapid y descent ... defect - Absent y descent
Campbell’s sign or Tracheal Descent in Longstanding COPD

Patients with longstanding COPD may show downward displacement of
sign or Tracheal Descent ... sign #Tracheal #Descent ... #COPD #clinical
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
Usually bilateral - Abscent ... neurology #diagnosis #ophthalmology
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
waves and two descents ... blunting of ‘x’ descent ... with TR - ‘x’ descent ... - ‘y’ descent
Tracheal Descent Sign

Paradoxical inward movement of the trachea during inspiration. Seen in this COPD patient in
Tracheal Descent ... #Tracheal #Descent ... #Sign #clinical
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
Concordant with S1 - X-Descent ... Discordant with S1 - Y-Descent
Central Retinal Vein Occlusion (CRVO)
Clinical:
 • Sudden, painless, monocular loss of vision 
 • "Blood and
Occlusion (CRVO) Clinical ... Management: • Ophthalmology ... CRVO #Diagnosis #Clinical ... #Fundoscopy #Ophthalmology
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Idiopathic (up to 55 percent ... pharyngitis (28 to 48 percent ... Drugs (3 to 10 percent ... Pregnancy (2 to 5 percent ... Differential #Diagnosis #Clinical