1962 results
Altitude Sickness: Acute Mountain Sickness (AMS), High Altitude Cerebral Edema (HACE) and High Altitude Pulmonary Edema
Altitude Sickness ... Mountain Sickness (AMS ... ), High Altitude ... HACE) and High Altitude ... Sickness #Mountain #AMS
Acute Mountain Sickness - High Altitude
Incidence varies - rate increases with altitude and rate of ascent
Sickness - High Altitude ... increases with altitude ... • Little AMS seen ... 1000ft/day • AMS ... Louise Score, AMS
High Altitude Cerebral Edema (HACE)
Severe AMS with altered mental status, ataxia, and other neurological manifestations such
High Altitude Cerebral ... (HACE) Severe AMS ... Etiology of AMS/ ... brain swelling at altitude ... Bloodman #High #Altitude
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
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
In 2018, opioid withdrawal should be considered a buprenorphine deficiency. Otherwise, a multitude of comparatively ineffective
Otherwise, a multitude
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
• Causes: High altitude ... (eg, pulmonary AVMs