16 results
Right sided ECG leads (V1R-V6R) are positioned in a mirror image fashion to the standard 12-lead
Right sided ECG ... (RV) infarcts #EM ... #Cardiology #RightSided ... #EKG #Lead #Placement ... #ALiEM
Posterior ECG leads (V7-V9) are applied by moving V4-V6 to under the left scapula.Purpose: To detect
Posterior ECG leads ... lateral wall AMI #EM ... #Cardiology #Posterior ... #EKG #Lead #Placement ... #ALiEM
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
trolley and 12-lead ... ECG machine. ❷ ... Obtain a 12-lead ... consultation with cardiology ... Ischemia #Ischaemia #Anesthesiology
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... Sepsis (→ 3-14) e.g ... amphetamines) Toxic: • Radiologic ... #Hyperthermia #Differential ... #Causes #Anesthesiology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
skin lesions, LAD ... and hepatomegaly/splenomegaly ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
and positioning (e.g ... . move head down ... (eg steroid dependency ... #Hypotension #Differential ... #Anesthesiology
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
should identify any cause ... blood gas, 12-lead ... ECG, chest X-ray ... Airway #Pressure #Differential ... #Anesthesiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... different P waves in lead ... 200ms from longer pause ... electrocardiogram #cardiology ... #differential
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... voltage Other Causes ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism on ECG ... Differential/diagnosis ... plus inferior leads ... seen in 34% of cases ... #clinical #cardiology