13 results
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... repolarization; changes ... repolarization causes ... in conduction causes ... sine wave (QRS-T fusion
Causes of mitral stenosis
Rheumatic heart disease
 - Most common cause worldwide. Commissural fusion, thick MV leaflets
Causes of mitral ... - Most common cause ... Commissural fusion ... thickened and shortened ... - Age-related changes
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea ... Differential Diagnosis Algorithm ... Bronchiectasis • Anaphylaxis ... Pleura: • Pleural effusion ... #Causes
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
Intraoperative Anaphylaxis ... arrest where other causes ... as a possible cause ... • Change to inhalational ... Intraoperative #Checklist
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
should identify any cause ... replaced or its type changed ... rate, rhythm, perfusion ... Bronchospasm → 3-4 o Anaphylaxis ... Intraoperative #Checklist
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
hypovolaemia or combined causes ... rate, rhythm, perfusion ... ischaemia → 3-12 o Anaphylaxis ... o Endocrine cause ... Intraoperative #Checklist
Complex Pericardial Effusion with Tamponade on POCUS Echocardiogram - A4C
Pt sent to ED c intradialytic hypotension.
with Tamponade on POCUS ... 5.9 without EKG changes ... frequently benign causes ... consider serious causes ... Cardiac #Tamponade #POCUS
Complex Pericardial Effusion with Tamponade on POCUS Echocardiogram - PLAX
Pt sent to ED c intradialytic hypotension.
with Tamponade on POCUS ... 5.9 without EKG changes ... frequently benign causes ... consider serious causes ... Cardiac #Tamponade #POCUS
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Guidelines for Crises ... rate, rhythm, perfusion ... Consider known drug causes ... digoxin; calcium channel ... Intraoperative #Checklist
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
Guidelines for Crises ... rate, rhythm, perfusion ... amniotic (→ 3-5); anaphylaxis ... Guidelines for crises ... Intraoperative #Checklist