22 results
Acute Mountain Sickness 
Low partial pressure of oxygen at high altitude 
• Stop ascent 
• Supportive
oxygen at high altitude ... Diagnosis #Management #Altitude
Medications for High-Altitude Sickness 
Acetazolarnide 
 • Carbonic Anydrase Inhibitor Bicarb diuresis & metabolic Acidosis ->
Medications for High-Altitude ... #HighAltitude #Altitude
Altitude Sickness: Acute Mountain Sickness (AMS), High Altitude Cerebral Edema (HACE) and High Altitude Pulmonary Edema
Altitude Sickness ... Sickness (AMS), High Altitude ... HACE) and High Altitude ... Prevention #High #Altitude
High Altitude Cerebral Edema (HACE)
Clinical 
 • Encephalopathy 
 • Ataxic gait 
 • Severe lassitude
High Altitude Cerebral ... #HACE #High #Altitude
Acute Mountain Sickness - High Altitude
Incidence varies - rate increases with altitude and rate of ascent
Sickness - High Altitude ... increases with altitude ... 6- 24 hour at altitude ... Sickness #High #Altitude
High Altitude Cerebral Edema (HACE)
Severe AMS with altered mental status, ataxia, and other neurological manifestations such
High Altitude Cerebral ... brain swelling at altitude ... Bloodman #High #Altitude
HIGH ALTITUDE PULMONARY EDEMA (HAPE)
 • High altitude disease that kill most people
 • Incidence: severe
HIGH ALTITUDE PULMONARY ... (HAPE) • High altitude ... Bloodman #High #Altitude
Differential Diagnosis: Cyanosis - Mnemonic "COLD PALMS"
Peripheral cyanosis 
• Cold 
• Obstruction 
• LVF and shock
Polycythemia • Altitude
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
2,3-BPG • High Altitude
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
OSA/OHS, High altitude