19 results
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Causes of Sudden ... Cardiac Arrest ... dysplasia Primary Electrical ... #cardiology #differential ... #diagnosis #causes
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
prolonged PR and QT ... sine wave (QRS-T fusion ... and diastolic arrest ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemopericardium)- Differential ... Diagnosis Framework ... • Malignancy (e.g ... OTHER RARE CAUSES ... #Diagnosis #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (4) SA node arrest ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
Bradycardia - Differential ... Diagnosis Framework ... Arrhythmia, Sinus Arrest ... epinephrine & start infusion ... #cardiology #criticalcare
Constrictive Pericarditis on POCUS Echocardiogram - Apical 3-Chamber View

Young Lupus patient admitted to hospital new onset
Pericarditis on POCUS ... could pinpoint the cause ... Had diagnostic tap-fever ... Septal bounce, etc ... Echocardiogram #clinical #cardiology
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... hypoxemia/Sepsis etc ... / hypoxemia -> focus ... - Cardiac arrest ... #Diagnosis #causes
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Diagnosis Framework ... Management Summary Causes ... Compartment syndrome - Electrical ... #causes #treatment
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
pulse or impending arrest ... rate, rhythm, perfusion ... obtain 12-lead ECG ... help; consider electrical ... Intraoperative #Checklist #Diagnosis
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
., long QT syndrome ... may not occur Differential ... Diagnosis: • PAC ... #differential # ... cardiology