83 results
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
High altitude (eg ... gas equation • Causes ... • Most common cause ... Intrapulmonary shunting (eg ... intracardiac shunting (eg
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
MI in LBBB or Pacemaker ... Identify LBBB or Pacemaker ... axis deviation Pacemaker ... 2ms spike - Fusion ... electrocardiogram #ecg
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemorrhagic Pericardial Effusions ... • Malignancy (e.g ... tuberculous pericardial effusions ... OTHER RARE CAUSES ... #Pericardial #Effusion
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... in conduction causes ... sine wave (QRS-T fusion ... #Hyperkalemia #EKG ... #ECG #Changes #
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 200ms from longer pause ... - ventricular pacemaker ... bradyarrhythmia #ECG ... #EKG #diagnosis
Electrical Alternans on POCUS Echocardiogram
You dissect the EKG and note low voltage tachycardia with a hint
Electrical Alternans on POCUS ... You dissect the EKG ... POCUS ECHO performed ... Electrical #Alternans #POCUS ... Echocardiogram #clinical #effusion
Chest pain, good story, but nonspecific ECG? Do a bedside echo: regional WMAs support your case
but nonspecific ECG ... WMAs support your case ... Clinical #Diagnosis #POCUS
Clinical Management for Three Common Causes of Shock 
HEMORRHAGIC SHOCK
 • Ensure adequate ventilation and oxygenation.
for Three Common Causes ... when possible (eg ... of poor organ perfusion ... dysrhythmias (eg ... reverse the insult (eg
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
in Anaesthesia Caused ... of blood, pus, effusion ... or iatrogenic causes ... , e.g. central line ... pericardiocentesis kit (eg
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
hypovolaemia or combined causes ... pressure as a cause ... rate, rhythm, perfusion ... and positioning (e.g ... (eg steroid dependency