55 results
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
(e.g. eclampsia ... - Tumor lysis syndrome ... #Diagnosis #High ... #Magnesium #Table ... #Causes #Management
Myocarditis - Diagnosis and Causes
 • Clinical presentation: Pseudo-acute coronary syndrome, Cardiac failure <3 rnonths, Cardiogenic
Clinical presentation ... Pseudo-acute coronary syndrome ... Recent flu-like syndrome ... Paraclinical assessment: EKG ... #Diagnosis #Causes
Proposed Algorithm for Diagnosing Sarcoidosis
Highly suggestive Clinicoradiological Findings → Clinical diagnosis (without biopsy) e.g. Löfgren's syndrome
Suggestive
biopsy) e.g. ... Löfgren's syndrome ... and/or cytology (e.g ... of alternative causes ... #Workup
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... Diagnosis Framework ... High altitude (eg ... Intrapulmonary shunting (eg ... intracardiac shunting (eg
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
prolonged PR and QT ... sine wave (QRS-T fusion ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Cirrhosis Syndrome ... - Malignancy (e.g ... CNS pathology (e.g ... #Diagnosis #Table ... #Causes #Sodium
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... Diagnosis Framework ... #differential # ... #ecg #ekg #electrocardiogram
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
polyneuropathy (e.g ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... #differential # ... diagnosis #table
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Sleep Deprivation (Eg ... Shift Work) Sleep ... Neurologic Disorders (Eg ... • Medications (Eg ... • Drug Abuse (Eg
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 ... #Management #Workup