29 results
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
cardiac syncope, e.g ... carotid sinus syndrome ... orthostatic vital sign ... and an initial ECG ... should be guided by clinical
Myocarditis - Diagnosis and Causes
 • Clinical presentation: Pseudo-acute coronary syndrome, Cardiac failure <3 rnonths, Cardiogenic
Clinical presentation ... Pseudo-acute coronary syndrome ... Cardiogenic ventricular arrythmia ... Recent flu-like syndrome ... Paraclinical assessment: EKG
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
risk factors for arrhythmia ... : - EKG changes ... their validity (e.g ... incongruous with clinical ... context & EKG)
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
risk factors (eg ... hypertension (eg ... 109 mm Hg) with clinical ... hypertension (eg ... renal bruit or signs
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Cardiomyopathy • Inherited arrhythmia ... syndromes (e.g. ... , long QT syndrome ... Hypomagnesemia • Hypokalemia ... 300 = NSVT EKG
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
high WBC count cause ... WBC >100k, + lab signs ... hydration - Hyperkalemia ... unless worrisome EKG ... tetany or cardiac arrhythmis
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 ... (e.g. haloperidol ... hyperthermia crisis (late sign
The chemical formula of Digoxin is C41 H64 O14.
Digoxin (Cardiac glycoside) reversibly inhibits the sodium-potassium-ATPase, causing
comorbid conditions (eg ... , hypercalcemia, ... often the first sign ... effect" on the ECG ... or inversion), QT
Problem Representation - Approach to the Infectious Disease Patient

Who: Patient age and host/risk factors (such as
, splenectomy, etc ... illness What: Key signs ... that define the clinical ... syndrome - Does ... illness script (e.g
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Drugs that prolong QT ... Syndrome Electrolyte ... Hypomagnesemia • Hypokalemia ... transvenous) Anti-arrhythmic ... 1b (lidocaine)- case