2863 results
Acute Mountain Sickness 
Low partial pressure of oxygen at high altitude 
• Stop ascent 
• Supportive
altitude • Stop ascent ... hyperbaric chamber • Descent ... Signs #Diagnosis #Management
High Altitude Cerebral Edema (HACE)
Clinical 
 • Encephalopathy 
 • Ataxic gait 
 • Severe lassitude
consciousness Management ... intervention • Descent ... Edema #Diagnosis #Management
High Altitude Cerebral Edema (HACE)
Severe AMS with altered mental status, ataxia, and other neurological manifestations such
comatose THERAPY: 1) Descent ... L/hour 4) If descent ... HACE #diagnosis #management
HIGH ALTITUDE PULMONARY EDEMA (HAPE)
 • High altitude disease that kill most people
 • Incidence: severe
THERAPY 1) Rapid Descent ... hyperbaric chamber if descent ... recurrence 1) Slower ascent ... HAPE #diagnosis #management
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
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
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
Concordant with S1 - X-Descent ... Discordant with S1 - 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
Differential Diagnosis of Pericardial Effusion

Trauma
Pericarditis
Recent MI
Autoimmune 
Neoplastic 
Endocrine/Metabolic 
Venous Congestion 
Medications 

- Dr. Tom Fadial https://twitter.com/thame

#Pericardial
Pericarditis Recent ... Differential #Diagnosis #Management