11 results
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
- Ischemia MI ... Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... electrocardiogram #cardiology ... Interpretation #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... discordant QRS complex ... deviation) • Acute ischemia ... #differential # ... cardiology #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... STE: "Pardee's sign ... (Eiffel Tower sign ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... excludes other differentials ... of narrow complex ... PhysicalExam #JVP #Cardiology ... #Neck #Frog #Sign
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
cardio-pulmonary symptoms ... Incomplete or Complete ... in relation to ECG ... leads) RV Ischemia ... AcutePE #diagnosis #cardiology
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
is unconscious, signs ... depression • T wave ... is conscious, symptoms ... Stop or rapidly complete ... consultation with cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
• Myocardial ischemia ... • Underlying ischemic ... Digoxin toxicity Symptoms ... may not occur Differential ... #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
predictor of recurrent ischemic ... tachycardia • Narrow complex ... #AVR #leadAVR #ecg ... #differential # ... cardiology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Enteroviruses (e.g ... Coltivirus Symptoms ... influenzae Symptoms ... Acute meningeal signs ... #diagnosis #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Presentation: Systemic Symptoms ... purpura: Strong sign ... affects the skin, neurologic ... • Progressive symptoms ... pauci-immune GN Immune Complex