9 results
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Diagnosis Framework ... Red Flags: • Fever ... • Splenomegaly/Abscess ... Pregnancy • Diverticulitis ... malignancy • Lactase
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Causes of Lactate ... to bolus these values ... tests before beginning ... Causes of Lactate ... output - Acute pulmonary
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Interpretation: 1. ... And BMP Normal Values ... mmol/L Step 1 ... Anxiety, pain, fever ... Classically” noted with pulmonary
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Herpesviruses (MCC: HSV 1) ... simplex virus 1 ... virus • CMV • EBV ... • Headache • Fever ... CSF Lactate: Good
Modified dengue severity classification, PAHO/WHO
Dengue without warning signs - DNWS:
 • Person who lives or has
days and presents fever ... positive tourniquet test ... and no apparent focus ... Intense abdominal ... classification #diagnosis
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... patients such as: 1. ... Presentation: Fever ... enzymes, diarrhea, abdominal ... Diagnosis Of NTM
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... - GI tract: abdominal ... Vasculitis: • Fevers ... Supply gut -> abdominal ... retinopathy Lab Tests
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
or family - Ever ... Assess functional ... determine if stress test ... undergoing AAA or upper abdominal ... stratification #diagnosis
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
(@MarkRamzyDO, EM ... This post will focus ... /50 Rule (part 1) ... and second ribs.1 ... consider intra-abdominal