20 results
Osborn (J Wave)

Etiology 
• Hypothermia (below 320C / SOOF) 
• Normal variant 
• Hypercalcemia 
• Neurological
Medications • Ventricular ... fibrillation ... Clinical • Most ... Differential #Cardiology #EKG ... #ECG #Hypothermia
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
prolonged PR and QT ... to 12.0 mEq/L, ventricular ... fibrillation and ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
fibrillation and ... This EKG was recorded ... #EKG #EmergencyMedicine ... Electrocardiogram #ECG ... #Clinical
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... ., long QT syndrome ... Hypomagnesemia • Hypokalemia ... 300 = NSVT EKG ... arrhythmia • Atrial fibrillation
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
39 C this is a clinical ... Surgical devices, e.g ... Sepsis (→ 3-14) e.g ... malignant syndrome (e.g ... #Workup
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
, particularly ventricular ... trolley and 12-lead ECG ... CM5 continuous ECG ... Obtain a 12-lead ECG ... #Workup
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... risk factors (eg ... hypertension (eg ... 109 mm Hg) with clinical ... hypertension (eg
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
, e.g. central line ... pericardiocentesis kit (eg ... • Diagnostic ... Intraoperative #Checklist ... #Workup
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
• Check ECG rhythm ... Hypovolaemia Hypo/hyperkalaemia ... CardiacArrest #Checklist ... #Diagnosis #Management ... #Workup
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... - Differential Diagnosis ... voltage Other Causes ... #cardiology #ecg ... #ekg #electrocardiogram